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''Trochus'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
of medium-sized to large, top-shaped
sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the a ...
s with an operculum and a pearly inside to their shells,
marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military ...
gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is est ...
s in the subfamily Trochinae of the
family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Trochidae, the top snails.Bouchet, P.; Gofas, S. (2010). Trochus Linnaeus, 1758. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138598 on 5 December 2012 When the word "trochus" or "Trochus" is used in reference to fishing sea snails for commercial purposes, the usual species targeted is '' Tectus niloticus'', which is valued for its
nacre Nacre ( , ), also known as mother of pearl, is an organicinorganic composite material produced by some molluscs as an inner shell layer; it is also the material of which pearls are composed. It is strong, resilient, and iridescent. Nacre is ...
or mother of pearl layer, which was traditionally made into items such as pearl buttons and jewelry. ''Tectus niloticus'' is no longer classified as a ''Trochus'' species, and it is no longer classified in the family Trochidae; it is now placed in the family
Tegulidae Tegulidae is a family of small to large sea snails, marine gastropod mollusks in the superfamily Trochoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).Bouchet, P. (2013). Tegulidae Kuroda, Habe & Oyama, 1971. Acces ...
.


History

The name ''Trochus'', according to P. FischerP. Fischer. Monog. Genre Troque, in Kiener's Coquilles Vivantes, Paris, 1880. was used for the first time by
Guillaume Rondelet Guillaume Rondelet (27 September 150730 July 1566), also known as Rondeletus/Rondeletius, was Regius professor of medicine at the University of Montpellier in southern France and Chancellor of the University between 1556 and his death in 1566. He ...
, in 1558, who assembled under this title a rather miscellaneous assortment of
univalve The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. The ...
s.
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
' genus ''Trochus'' is composed principally of true Trochidae, but it is now viewed as having contained species of several other very different families.
Lamarck Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biolo ...
still further restricted the group, by eliminating several genera; and in the 19th century the labors of
Gray Grey (more common in British English) or gray (more common in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is "without color", because it can be compose ...
, H. Adams and A. Adams and others, contributed towards a more systematic arrangement of the family.Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia
/ref> Further revisions have narrowed down the number of species in this genus, and most names have become synonyms.


Shell description

Sea snails in the genus ''Trochus'' have large, thick, solid shells that have a broadly conical
spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spires a ...
and a flat base. The periphery is angulated. The base of the shell is flat or convex. The outer and basal lips are smooth within. The
columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the wo ...
has a strong fold above, ending in an obtuse tooth below. The interior of the shell is
pearl A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carb ...
y and
iridescent Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change color as the angle of view or the angle of illumination changes. Examples of iridescence include soap bubbles, feathers, butterfl ...
because of a thick layer of
nacre Nacre ( , ), also known as mother of pearl, is an organicinorganic composite material produced by some molluscs as an inner shell layer; it is also the material of which pearls are composed. It is strong, resilient, and iridescent. Nacre is ...
(mother of pearl).


Species

Species within the genus ''Trochus'' include: * † '' Trochus antipodum'' Wilckens, 1922 * '' Trochus calcaratus'' Souverbie in Souverbie & Montrouzier, 1875 * '' Trochus californicus'' (A. Adams, 1853) * '' Trochus camelophorus'' Webster, 1906 * '' Trochus cariniferus'' Reeve, 1842 * '' Trochus chloromphalus'' (A. Adams, 1851) * '' Trochus concinnus'' Philippi, 1846 * '' Trochus cumingii'' A. Adams, 1853 * '' Trochus elegantulus'' W. Wood, 1828 * '' Trochus erithreus'' Brocchi, 1821 * '' Trochus fastigiatus'' A. Adams, 1853 * '' Trochus ferreirai'' Bozzetti, 1996 * '' Trochus firmus'' Philippi, 1849 * '' Trochus flammulatus'' Lamarck, 1822 * '' Trochus fultoni'' Melvill, 1898 * '' Trochus histrio'' Reeve, 1848 * '' Trochus intextus'' Kiener, 1850 * '' Trochus kochii'' Philippi, 1844 * '' Trochus kotschyi'' Philippi, 1849 * '' Trochus laciniatus'' Reeve, 1861 * ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
''
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
* '' Trochus nigropunctatus'' Reeve, 1861 * '' Trochus noduliferus'' Lamarck, 1822 * '' Trochus obesus'' Reeve, 1861 * '' Trochus ochroleucus'' Gmelin, 1791 * '' Trochus radiatus'' Gmelin, 1791 * '' Trochus rota'' Dunker, 1860 * '' Trochus sacellum'' Philippi, 1855 * '' Trochus squarrosus'' Lamarck, 1822 * '' Trochus stellatus'' Gmelin, 1791 * † '' Trochus subanceps'' Sinzow, 1897 * '' Trochus subincarnatus'' P. Fisher, 1879 * '' Trochus submorum'' (Abrard, 1942) * '' Trochus tentorium'' Gmelin, 1791 * '' Trochus tubiferus'' Kiener, 1850 * '' Trochus venetus'' Reeve, 1862 * '' Trochus zhangi'' Dong, 2002


Synonyms

* ''Trochus abanteus'' Nardo, 1847: synonym of ''
Jujubinus montagui ''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely p ...
'' (Wood, 1828) * ''Trochus abrodiaetus'' Nardo, 1847: synonym of '' Gibbula adriatica'' (Philippi, 1844) * ''Trochus abyssorum'' E.A. Smith, 1891: synonym of '' Bathybembix abyssorum'' (E. A. Smith, 1891) * ''Trochus acinosus'' Gould, 1849: synonym of '' Coelotrochus viridis'' (Gmelin, 1791) * ''Trochus acuminatus'' Wood, 1828: synonym of '' Bembicium nanum'' (Lamarck, 1822) * ''Trochus acuminatus'' Perry, 1811: synonym of '' Cantharidus opalus'' (Martyn, 1784) * ''Trochus acutangulus'' Philippi : synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
''
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
* ''Trochus adansoni'' ic synonym of ''
Gibbula adansonii ''Steromphala adansonii'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala adansonii (Payraudeau, 1826). Accessed through: World Register of Ma ...
'' (Payraudeau, 1826) * ''Trochus adansonii'' Payraudeau, 1826: synonym of ''
Gibbula adansonii ''Steromphala adansonii'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala adansonii (Payraudeau, 1826). Accessed through: World Register of Ma ...
'' (Payraudeau, 1826) * ''Trochus adriaticus'' Philippi, 1844: synonym of '' Gibbula adriatica'' (Philippi, 1844) * ''Trochus adspersus'' Philippi, 1851: synonym of '' Calliostoma adspersum'' (Philippi, 1851) * ''Trochus aeglees'' Watson, 1879: synonym of '' Calliotropis aeglees'' (Watson, 1879) * ''Trochus aegyptius'' Gmelin, 1791: synonym of '' Rubritrochus declivis'' (Forskål, 1775) * ''Trochus agathensis'' Récluz, 1843: synonym of ''
Gibbula umbilicalis ''Steromphala umbilicalis'', common name the flat top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicalis (da Cost ...
'' (
da Costa Costa (, , , , ), sometimes Costas, da Costa, Da Costa, or Dalla Costa, is an Italian, Portuguese and Spanish surname. The surname spread throughout the world through colonization. It is also a surname chosen by Jews and other religious groups due ...
, 1778) * ''Trochus agrestis'' Philippi, 1843: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
) * ''Trochus alabastrum'' Reeve, 1858: synonym of '' Euchelus alabastrum'' (Reeve, 1858) * ''Trochus alabastrum'' Lovén, 1846: synonym of ''
Calliostoma occidentale ''Calliostoma occidentale'', common name the boreal topsnail, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The size of the shell varies between 6 mm and 17 mm. The shell is rathe ...
'' (Mighels & C. B. Adams, 1842) * ''Trochus albidus'' Wood W., 1828: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
) * ''Trochus albidus'' Gmelin, 1791: synonym of '' Gibbula albida'' (Gmelin, 1791) * ''Trochus altus'' Reeve (non Philippi), 1862: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
''
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
* ''Trochus alveolatus'' Philippi, 1851: synonym of '' Gibbula spratti'' (Forbes, 1844) * ''Trochus amabilis'' Jeffreys, 1865: synonym of '' Solariella amabilis'' (Jeffreys, 1865) * ''Trochus americanus'' Gmelin, 1791: synonym of '' Lithopoma americanum'' (Gmelin, 1791) * ''Trochus angulatus'' Tokunaga, 1906: synonym of '' Conotalopia ornata (''G. B. Sowerby III, 1903) * ''Trochus anomala'' d'Orbigny, 1842: synonym of ''
Vitrinella anomala ''Vitrinella'' is a genus of minute sea snails, marine gastropod mollusks or micromollusks in the family Vitrinellidae.Rosenberg, G.; Bouchet, P. (2015). Vitrinella. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at ...
'' (d'Orbigny, 1842) * ''Trochus ardens'' Salis Marschlins, 1793: synonym of '' Gibbula ardens'' (Salis Marschlins, 1793) * ''Trochus areola'' Gmelin, 1791: synonym of '' Heliacus (Heliacus) areola areola'' (Gmelin, 1791): synonym of '' Heliacus areola'' (Gmelin, 1791) * ''Trochus argenteonitens'' Lischke, 1872: synonym of '' Ginebis argenteonitens'' (Lischke, 1872) * ''Trochus armillatus'' Wood, 1828: synonym of '' Astele armillata'' (Wood, 1828) * ''Trochus articulatus'' (Lamarck, 1822): synonym of '' Phorcus articulatus'' (Lamarck, 1822) * ''Trochus asper'' Gmelin, 1791: synonym of '' Euchelus asper'' (Gmelin, 1791) * ''Trochus asteriscus'' Reeve, 1843: synonym of '' Astralium asteriscum'' (Reeve, 1843) * ''Trochus atratus'' Wood, 1828: synonym of '' Osilinus atratus'' (Wood, 1828) * ''Trochus attenuatus'' Jonas, 1844: synonym of '' Tosatrochus attenuatus'' (Jonas, 1844) * ''Trochus auratus'' Quoy & Gaimard, 1834: synonym of '' Bembicium auratum'' (Quoy & Gaimard, 1834) * ''Trochus aureus'' Jonas, 1844: synonym of '' Bellastraea aurea'' (Jonas, 1844) * ''Trochus baccatus'' G.B. Sowerby, 1889: synonym of '' Infundibulops cariniferus'' (Reeve, 1842) * ''Trochus basteroti'' Hoernes, 1848: synonym of '' Gibbula adriatica'' (Philippi, 1844) * ''Trochus baudoni'' Monterosato, 1891: synonym of '' Jujubinus baudoni'' (Monterosato, 1891) * ''Trochus belcheri'' Philippi, 1849: synonym of '' Monilea belcheri'' (Philippi, 1849) * ''Trochus bellardii'' Issel, 1869: synonym of '' Ethalia bellardii'' (Issel, 1869) * ''Trochus biasoletti'' Philippi, 1836: synonym of '' Gibbula albida'' (Gmelin, 1791) * ''Trochus bicanaliculatus'' Dunker in Philippi, 1844: synonym of '' Diloma bicanaliculata'' (Dunker in Philippi, 1844) * ''Trochus bicarinatus'' Gray J.E., 1834: synonym of '' Gibbula magus'' (
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
)
* ''Trochus bicolor'' Perry, G., 1811: synonym of '' Trochus radiatus'' Gmelin, 1791 * ''Trochus bicolor'' Risso, 1826: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus bilabiatus'' Philippi, 1846: synonym of ''
Danilia tinei ''Danilia tinei'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Chilodontidae (gastropods), Chilodontidae. Taxonomy Tommaso di Maria Allery Monterosato, Monterosato (1914) figured the holotype from Calca ...
'' (Calcara, 1839) * ''Trochus bornii'' Cantraine, 1835: synonym of '' Gibbula albida'' (Gmelin, 1791) * ''Trochus brevispina'' Lamarck, 1822: synonym of '' Lithopoma brevispina'' (Lamarck, 1822) * ''Trochus broderipi'' Philippi, 1855: synonym of '' Astele rubiginosa'' (Valenciennes, 1846) * ''Trochus brunneus'' Philippi, 1849: synonym of '' Tegula brunnea'' (Philippi, 1849) * ''Trochus caelatus'' Gmelin, 1791: synonym of '' Lithopoma caelatum'' (Gmelin, 1791) * ''Trochus calcaratus'' Souverbie in Souverbie & Montrouzier, 1875: synonym of '' Infundibulum calcaratum'' (Souverbie in Souverbie & Montrouzier, 1874) * ''Trochus callicoccus'' Philippi, 1849: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
''
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
* ''Trochus calliferus'' Lamarck, 1822: synonym of '' Monilea callifera'' (Lamarck, 1822) * ''Trochus callosus'' Koch in Philippi, 1844: synonym of '' Ethalia sanguinea'' Pilsbry, 1905 * ''Trochus calyptraeformis'' Lamarck, 1822: synonym of '' Sigapatella calyptraeformis'' (Lamarck, 1822) * ''Trochus canaliculatus'' Lamarck, 1818: synonym of ''
Euchelus atratus ''Euchelus atratus'', common name the blackish margarite, is a species of sea snail, a marine gastropod mollusk in the family Chilodontidae. Description The size of the shell varies between 5 mm and 21 mm. The solid, umbilicate ...
'' (Gmelin, 1791) * ''Trochus cancellatus'' Jeffreys, 1883: synonym of '' Vetulonia paucivaricosa'' (Dautzenberg, 1889) * ''Trochus candei'' d'Orbigny, 1844: synonym of '' Gibbula candei'' (d'Orbigny, 1844) * ''Trochus capensis'' Gmelin, 1791: synonym of '' Gibbula capensis'' (Gmelin, 1791) * ''Trochus carinatus'' d'Orbigny, 1842: synonym of ''
Vitrinella carinata ''Vitrinella'' is a genus of minute sea snails, Marine (ocean), marine gastropod mollusks or micromollusks in the family Vitrinellidae.Rosenberg, G.; Bouchet, P. (2015). Vitrinella. In: MolluscaBase (2015). Accessed through: World Register of Ma ...
'' (d'Orbigny, 1842) * ''Trochus carmesinus'' Webster, 1908: synonym of '' Coelotrochus carmesinus'' (Webster, 1908) * ''Trochus charopus'' Watson, 1879: synonym of '' Solariella charopa'' (Watson, 1879) * ''Trochus chemnitzii'' Philippi, 1848: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
) * ''Trochus chinensis'' Philippi, 1841: synonym of '' Stellaria chinensis'' (Philippi, 1841) * ''Trochus chrysolaemus'' Martens, 1880: synonym of '' Priotrochus goudoti'' (Fischer, 1878) * ''Trochus cicatricosus'' Philippi, 1843: synonym of '' Bembicium auratum'' (Quoy & Gaimard, 1834) * ''Trochus cicer'' Menke, 1844: synonym of '' Gibbula cicer'' (Menke, 1844) * ''Trochus ciliaris'' Menke, 1843: synonym of '' Astele ciliaris'' (Menke, 1843) * ''Trochus cinctus'' Philippi, 1836: synonym of '' Solariella cincta'' (Philippi, 1836) * ''Trochus cinerarius''
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
) * ''Trochus cinerascens'' Anton, 1838: synonym of '' Gibbula leucophaea'' (Philippi, 1836) * ''Trochus cinereus'' Blainville, 1826 non
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
: synonym of ''
Gibbula umbilicalis ''Steromphala umbilicalis'', common name the flat top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicalis (da Cost ...
'' (
da Costa Costa (, , , , ), sometimes Costas, da Costa, Da Costa, or Dalla Costa, is an Italian, Portuguese and Spanish surname. The surname spread throughout the world through colonization. It is also a surname chosen by Jews and other religious groups due ...
, 1778) * ''Trochus cingulatus'' Grube, 1839: synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (
Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...
,
1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the starting point of modern zoologi ...
) * ''Trochus circulatus'' Anton, 1849: synonym of '' Euchelus circulatus'' (Anton, 1849) * ''Trochus clanguloides'' Wood, 1828: synonym of ''
Clanculus clanguloides ''Clanculus clanguloides'', common name the secret clanculus, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The height of the shell varies between 10 mm and 12& ...
'' (Wood, 1828) * ''Trochus clathratus'' Aradas, 1847: synonym of '' Putzeysia wiseri'' (Calcara, 1842) * ''Trochus clelandi'' W. Wood, 1828: synonym of '' Clelandella miliaris'' (Brocchi, 1814) * ''Trochus clodianus'' Nardo, 1847: synonym of '' Gibbula albida'' (Gmelin, 1791) * ''Trochus colubrinus'' Gould, 1849: synonym of '' Phorcus sauciatus'' (Koch, 1845) * ''Trochus concameratus'' W. Wood, 1828: synonym of '' Diloma concamerata'' (Wood, 1828) * ''Trochus concavus'' Gmelin, 1791: synonym of '' Infundibulum concavum'' (Gmelin, 1791) * ''Trochus conchyliophorus'' Born, 1780: synonym of ''
Xenophora conchyliophora ''Xenophora conchyliophora'' is a species of medium-sized to large sea snail, a marine gastropod mollusk in the family Xenophoridae Xenophoridae, commonly called carrier shells, is a family of medium-sized to large sea snails, marine gastr ...
'' (Born, 1780) * ''Trochus concinnus'' Philippi, 1846: synonym of '' Trochus tubiferus'' Kiener, 1850 * ''Trochus conicus'' Donovan, 1803: synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (Linnaeus, 1758) * ''Trochus conoidalis'' Pease, 1868: synonym of '' Peasiella conoidalis'' (Pease, 1868) * ''Trochus consors'' Lischke, 1872: synonym of '' Calliostoma consors'' (Lischke, 1872) * ''Trochus constellatus'' Souverbie, 1863: synonym of '' Diloma constellata'' Souverbie, 1863 * ''Trochus conuloides'' Lamarck, 1822: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus conulus'' Linnaeus, 1758: synonym of ''
Calliostoma conulus ''Calliostoma conulus'' is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. This is the type species of the genus. The variety ''Calliostoma conulus'' var. ''livida'' Dautzenberg, 1927 is a synonym of '' Cal ...
'' (Linnaeus, 1758) * ''Trochus cookii'' Gmelin, 1791: synonym of ''
Cookia sulcata ''Cookia sulcata'', or Cook's turban, is a species of large sea snail, a marine gastropod mollusc in the family Turbinidae, the turban snails.Bouchet, P. (2012). Cookia sulcata (Lightfoot, 1786). Accessed through: World Register of Marine Specie ...
'' (Lightfoot, 1786) * ''Trochus corallinus'' E.A. Smith, 1875: synonym of '' Homalopoma amussitatum'' (Gould, 1861) * ''Trochus corallinus'' Gmelin, 1791: synonym of '' Clanculus corallinus'' (Gmelin, 1791) * ''Trochus corcyrensis'' Stossich, 1865: synonym of '' Phorcus articulatus'' (Lamarck, 1822) * ''Trochus corrugata'' Koch, 1843: synonym of '' Monilea callifera'' (Lamarck, 1822) * ''Trochus cossurensis'' Monterosato, 1875: synonym of '' Gibbula rarilineata'' (Michaud, 1829) * ''Trochus costalis'' Gould, 1841: synonym of '' Margarites costalis'' (Gould, 1841) * ''Trochus cranchi'' Leach, 1852: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus crassus'' (Pulteney, 1799): synonym of '' Osilinus lineatus'' (da Costa, 1778) * ''Trochus creniferus'' Kiener: synonym of '' Trochus incrassatus'' Lamarck, 1822 * ''Trochus crenulatus'' Brocchi, 1814: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus crispulus'' Philippi, 1844: synonym of '' Putzeysia wiseri'' (Calcara, 1842) * ''Trochus crispus'' König, 1825: synonym of '' Xenophora (Xenophora) crispa'' (König, 1825) * ''Trochus cruciatus'' Linnaeus, 1758: synonym of '' Clanculus cruciatus'' (Linnaeus, 1758) * ''Trochus cruentatus'' Mühlfeld, 1824: synonym of '' Arene cruentata'' (Mühlfeld, 1824) * ''Trochus cumingii'' Philippi, 1846: synonym of '' Tectarius cumingii'' (Philippi, 1846) * ''Trochus cunninghami'' Gray, 1834: synonym of ''
Calliostoma selectum ''Calliostoma selectum'', common name the select maurea, is a species of medium-sized sea snail, a marine gastropod mollusc in the family Calliostomatidae, the calliostoma top snails. Some authors place this taxon in the subgenus ''Calliostoma ...
'' (Dillwyn, 1817) * ''Trochus cylindraceus'' Dillwyn, 1817: synonym of '' Heliacus cylindricus'' (Gmelin, 1791) * ''Trochus cylindricus'' Gmelin, 1791: synonym of '' Heliacus cylindricus'' (Gmelin, 1791) * ''Trochus cyrnaeus'' Requien, 1848: synonym of ''
Jujubinus montagui ''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely p ...
'' (Wood, 1828) * ''Trochus dama'' Philippi, 1848: synonym of '' Monodonta dama'' (Philippi, 1848) * ''Trochus dejacobi'' Aradas & Benoit, 1841: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus delicatulus'' Philippi, 1846: synonym of ''
Coelotrochus tiaratus ''Coelotrochus tiaratus'', whose common names include tiara top shell, brown top shell, mititi, and mitimiti is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Rosenberg, G. (2012). ''Coelotrochus tiara ...
'' (Quoy & Gaimard, 1834) * ''Trochus delicatus'' Jeffreys, 1883: synonym of '' Margarites luciae'' (G. Seguenza, 1876) * ''Trochus delpretei'' Caramagna, 1888: synonym of '' Vaceuchelus delpretei'' (Caramagna, 1888) * ''Trochus dentatus'' Forskål in Niebuhr, 1775: synonym of '' Tectus (Tectus) dentatus'' (Forskål in Niebuhr, 1775) * ''Trochus depictus'' Deshayes, 1835: synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (Linnaeus, 1758) * ''Trochus depressus'' Martens, 1874: synonym of '' Clanculus miniatus'' (Anton, 1838) * ''Trochus dianthus'' P. Fischer, 1879: synonym of '' Spectamen bellulum'' (Angas, 1869) * ''Trochus diaphanus'' Gmelin, 1791: synonym of '' Calliostoma punctulatum'' (Martyn, 1784) * ''Trochus diaphanus'' d'Orbigny, 1842: synonym of '' Vitrinella diaphana'' (d'Orbigny, 1842) * ''Trochus dilectus'' Sowerby III, 1899: synonym of ''
Pseudominolia articulata ''Pseudominolia articulata'' is a species of sea snail, a marine (ocean), marine gastropod mollusk in the family (biology), family Trochidae, the top snails.WoRMS (2012). ''Pseudominolia articulata'' (Gould, 1861). Accessed through: World Regist ...
'' (Gould, 1861) * ''Trochus diminutivus'' Reeve, 1862: synonym of '' Peasiella tantilla'' (Gould, 1849) * ''Trochus discrepans'' Brown, 1818: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus divaricatus'' Fabricius, 1780: synonym of '' Lacuna vincta'' (Montagu, 1803) * ''Trochus divaricatus'' Linnaeus, 1758: synonym of '' Gibbula divaricata'' (Linnaeus, 1758) * ''Trochus dnopherus'' Watson, 1879: synonym of '' Margarites dnopherus'' (Watson, 1879) * ''Trochus dolabratus'' Linnaeus, 1758: synonym of '' Pyramidella dolabrata'' (Linnaeus, 1758) * ''Trochus drepanensis'' Brugnone, 1873: synonym of '' Gibbula drepanensis'' (Brugnone, 1873) * ''Trochus dubius'' Philippi, 1844: synonym of ''Calliostoma conulum'' (Linnaeus, 1758): synonym of ''
Calliostoma conulus ''Calliostoma conulus'' is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. This is the type species of the genus. The variety ''Calliostoma conulus'' var. ''livida'' Dautzenberg, 1927 is a synonym of '' Cal ...
'' (Linnaeus, 1758) * ''Trochus dumerili'' Risso, 1826: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus elatus'' Brusina, 1865: synonym of ''
Gibbula varia ''Steromphala varia'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala varia (Linnaeus, 1758). Accessed through: World Register of Marine Species at ...
'' (Linnaeus, 1758) * ''Trochus electissimus'' Bean in Thorpe, 1844: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus elegans'' de Blainville, 1830: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus elegan''s Gmelin, 1791: synonym of '' Cantharidus purpureus'' (Gmelin, 1791) * ''Trochus elegantissimus'' Costa O.G., 1861: synonym of '' Mathilda cochlaeformis'' Brugnone, 1873 * ''Trochus elongatus'' Wood, 1828: synonym of '' Tosatrochus attenuatus'' (Jonas, 1844) * ''Trochus eltoniae'' Lowe, 1861: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus episcopus'' Hombron & Jacquinot, 1954: synonym of '' Cantharidus capillaceus'' (Philippi, 1849) * ''Trochus erithreus'' Brocchi, 1821: synonym of '' Infundibulops erithreus'' (Brocchi, 1821) * ''Trochus erythraeus'' Brocchi, 1821: synonym of '' Infundibulops erithreus'' (Brocchi, 1821) * ''Trochus erythreus'' ic synonym of '' Infundibulops erithreus'' (Brocchi, 1821) * ''Trochus erythroleucos'' Gmelin, 1791: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus euryomphalus'' Jonas, 1844: synonym of '' Tegula euryomphala'' (Jonas, 1844) * ''Trochus eucosmus'' Philippi, 1848: synonym of '' Trochus radiatus'' Gmelin, 1791 * ''Trochus euxinicus'' Andrzeiewsky, 1837: synonym of '' Gibbula leucophaea'' (Philippi, 1836) * ''Trochus exasperatus'' Pennant, 1777: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus excavatus'' Lamarck, 1822: synonym of '' Tegula excavata'' (Lamarck, 1822) * ''Trochus exiguus'' Pulteney, 1799: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus exilis'' ''Philippi, 1844'': synonym of '' Dikoleps cutleriana'' (Clark, 1849) * ''Trochus fanuloides'' ''P. Fischer, 1874'': synonym of '' Rubritrochus pulcherrimus'' (A. Adams, 1855) * ''Trochus fanulum'' Gmelin, 1791: synonym of '' Gibbula fanulum'' (Gmelin, 1791) * ''Trochus fermoni'' Payraudeau, 1826: synonym of '' Gibbula ardens'' (Salis Marschlins, 1793) * ''Trochus festivus'' Philippi, 1844: synonym of '' Trochus radiatus'' Gmelin, 1791 * ''Trochus fictilis'' Jonas, 1846: synonym of '' Trochus erithreus'' Brocchi, 1821 * ''Trochus filosus'' Philippi, 1844: synonym of '' Cantrainea peloritana'' (Cantraine, 1835) * ''Trochus flavus'' Anton in Philippi, 1849: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus flosculus'' P. Fischer, 1878: synonym of '' Clanculus flosculus'' P. Fischer, 1880 * ''Trochus fonki'' Philippi, 1860: synonym of '' Calliostoma fonki'' (Philippi, 1860) * ''Trochus formosus'' McAndrew & Forbes, 1847: synonym of ''
Calliostoma occidentale ''Calliostoma occidentale'', common name the boreal topsnail, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The size of the shell varies between 6 mm and 17 mm. The shell is rathe ...
'' (Mighels & C. B. Adams, 1842) * ''Trochus forskali'' (Bolt.) Morch: synonym of '' Trochus noduliferus'' Lamarck, 1822 * ''Trochus fossulatulus'' Souverbie in Souverbie & Montrouzier, 1875: synonym of '' Hybochelus cancellatus'' (Krauss, 1848) * ''Trochus fragilis'' Pulteney, 1799: synonym of '' Calliostoma granulatum'' (Born, 1778) * ''Trochus fragum'' Philippi, 1848: synonym of '' Calliostoma fragum'' (Philippi, 1848) * ''Trochus fultoni'' G.B. Sowerby III, 1890: synonym of '' Cantharidus fultoni'' (G. B. Sowerby III, 1890) * ''Trochus fulvolabris'' Hmobron & Jacquinot, 1854: synonym of '' Coelotrochus viridis'' (Gmelin, 1791) * ''Trochus fuscatus'' Gmelin, 1791: synonym of ''
Gibbula umbilicaris ''Steromphala umbilicaris'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicaris (Linnaeus, 1758). Accessed through: World Register of Marin ...
'' (Linnaeus, 1758) * ''Trochus gemmatus'' Gould, 1845: synonym of '' Euchelus gemmatus'' (Gould, 1845) * ''Trochus gemmosus'' Reeve, 1842: synonym of '' Astele rubiginosa'' (Valenciennes, 1846) * ''Trochus gibberosus'' Dillwyn, 1817: synonym of '' Pomaulax gibberosus'' (Dillwyn, 1817) * ''Trochus gibbosulus'' Brusina, 1865: synonym of ''
Gibbula varia ''Steromphala varia'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala varia (Linnaeus, 1758). Accessed through: World Register of Marine Species at ...
'' (Linnaeus, 1758) * ''Trochus gilberti'' Montrouzier in Fischer, 1878: synonym of '' Cantharidus polychroma'' (A. Adams, 1853) * ''Trochus girgyllus'' Reeve, 1861: synonym of '' Bolma girgyllus'' (Reeve, 1861) * ''Trochus glabratus'' Philippi, 1844: synonym of '' Cantrainea peloritana'' (Cantraine, 1835) * ''Trochus gmelini'' Jonas, 1846: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus goudoti'' (Fischer, 1878): synonym of '' Priotrochus goudoti'' (Fischer, 1878) * ''Trochus granatum'' Gmelin, 1791: synonym of '' Calliostoma tigris'' (Gmelin, 1791) * ''Trochus grandinatus'' Röding, P.F., 1798: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus granosus'' Lamarck, J.B.P.A. de, 1818: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus granosus'' Martyn, 1784: synonym of '' Turbo granosus'' (Martyn, 1784) * ''Trochus granulatus'' Born, 1778: synonym of '' Calliostoma granulatum'' (Born, 1778) * ''Trochus gravesi'' Forbes, 1844: synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (Linnaeus, 1758) * ''Trochus gravinae'' Dautzenberg, 1881: synonym of '' Jujubinus gravinae'' (Dautzenberg, 1881) * ''Trochus grayanus'' Philippi, 1846: synonym of '' Gibbula magus'' (Linnaeus, 1758) * ''Trochus groenlandicus'' Gmelin, 1791: synonym of '' Margarites groenlandicus'' (Gmelin, 1791) * ''Trochus gualterianus'' Philippi, 1848: synonym of ''
Calliostoma gualterianum ''Calliostoma gualterianum'', common name Gualtieri's top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Calliostomatidae. Description The size of the shell varies between 10 mm and 17 mm. ...
'' (Philippi, 1848) * ''Trochus gualtierii'' Weinkauff, 1868: synonym of ''
Calliostoma gualterianum ''Calliostoma gualterianum'', common name Gualtieri's top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Calliostomatidae. Description The size of the shell varies between 10 mm and 17 mm. ...
'' (Philippi, 1848) * ''Trochus guildfordiae'' Reeve, 1842: synonym of '' Guildfordia triumphans'' (Philippi, 1841) * ''Trochus guttadauri'' Philippi, 1836: synonym of '' Gibbula guttadauri'' (Philippi, 1836) * ''Trochus haematragus'' Menke, 1829: synonym of '' Astralium haematragum'' (Menke, 1829) * ''Trochus hanleyanus'' Krauss, 1848: synonym of '' Trochus nigropunctatus'' Reeve, 1861 * ''Trochus helicinus'' (Phipps, 1774): synonym of '' Margarites helicinus'' (Phipps, 1774) * ''Trochus heliotropium'' Martyn, 1784: synonym of ''
Astraea heliotropium ''Astraea heliotropium'', common name the sunburst star turban or the circular saw shell, is a large sea snail, a marine gastropod mollusc of the family Turbinidae, the turbans and star snails.WoRMS (2010). ''Astraea heliotropium'' (Martyn, 1784 ...
'' (Martyn, 1784) * ''Trochus hornungi'' Bisacchi, 1931: synonym of '' Ethminolia hornungi'' (Bisacchi, 1931) * ''Trochus horridus'' Costa O.G., 1861: synonym of ''
Danilia tinei ''Danilia tinei'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Chilodontidae (gastropods), Chilodontidae. Taxonomy Tommaso di Maria Allery Monterosato, Monterosato (1914) figured the holotype from Calca ...
'' (Calcara, 1839) * ''Trochus horridus'' Philippi, 1846: synonym of '' Euchelus horridus'' (Philippi, 1846) * ''Trochus hyacinthinus'' de Blainville, 1830: synonym of '' Calliostoma laugieri'' (Payraudeau, 1826) * ''Trochus hybridus'' Linnaeus, 1758: synonym of '' Philippia hybrida'' (Linnaeus, 1758) * ''Trochus imperialis'' Gmelin, 1791: synonym of ''
Astraea heliotropium ''Astraea heliotropium'', common name the sunburst star turban or the circular saw shell, is a large sea snail, a marine gastropod mollusc of the family Turbinidae, the turbans and star snails.WoRMS (2010). ''Astraea heliotropium'' (Martyn, 1784 ...
'' (Martyn, 1784) * ''Trochus impervius'' Menke, 1843: synonym of '' Oxystele impervia'' (Menke, 1843) * ''Trochus incrassatus'' Lamarck, 1822: synonym of '' Trochus stellatus'' Gmelin, 1791 * ''Trochus indicus'' Gmelin, 1791: synonym of '' Onustus indicus'' (Gmelin, 1791) * ''Trochus inflatus'' Blainville, 1826: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus infundibuliformis'' Gmelin, 1791: synonym of '' Heliacus (Teretropoma) infundibuliformis infundibuliformis'' (Gmelin, 1791) * ''Trochus infundibulum'' Watson, 1879: synonym of '' Calliotropis infundibulum'' (Watson, 1879) * ''Trochus inornatus'' d’Orbigny, 1842: synonym of '' Episcynia inornata'' (d’Orbigny, 1842) * ''Trochus instrictus'' Gould, 1849: synonym of '' Herpetopoma instrictum'' (Gould, 1849) * ''Trochus intermedius'' Monterosato, 1872: synonym of '' Phorcus mutabilis'' (Philippi, 1846) * ''Trochus interruptus'' Wood, 1828: synonym of '' Calliostoma interruptus'' (Wood, 1828) * ''Trochus iridescens'' Schrenck, 1863: synonym of '' Lirularia iridescens'' (Schrenck, 1863) * ''Trochus iris'' Gmelin, 1791: synonym of '' Cantharidus iris'' (Gmelin, 1791) * ''Trochus irisodontes'' Quoy & Gaimard, 1834: synonym of '' Phasianotrochus irisodontes'' (Quoy & Gaimard, 1834) * ''Trochus irregularis'' Leach, 1852: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus japonicus'' (Dunker, 1845): synonym of '' Pomaulax japonicus'' (Dunker, 1845) * ''Trochus jonasi'' Philippi: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus jujubinus'' Gmelin, 1791: synonym of '' Calliostoma jujubinum'' (Gmelin, 1791) * ''Trochus kochii'' Kiener: synonym of '' Trochus erithreus'' Brocchi, 1821 * ''Trochus labio'' Linnaeus, 1758: synonym of '' Monodonta labio'' (Linnaeus, 1758) * ''Trochus laceyi'' (G.B. Sowerby, 1889): synonym of '' Clanculus miniatus'' (Anton, 1838) * ''Trochus laevigatus'' Gmelin, 1791: synonym of ''
Gibbula varia ''Steromphala varia'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala varia (Linnaeus, 1758). Accessed through: World Register of Marine Species at ...
'' (Linnaeus, 1758) * ''Trochus laevigatus'' Sowerby J., 1817: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus laevigatus'' Philippi, 1836: synonym of ''
Calliostoma gualterianum ''Calliostoma gualterianum'', common name Gualtieri's top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Calliostomatidae. Description The size of the shell varies between 10 mm and 17 mm. ...
'' (Philippi, 1848) * ''Trochus laevissimus'' Martens, 1881: synonym of '' Ilanga laevissima'' (Martens, 1881) * ''Trochus lamberti'' Souverbie, 1875: synonym of '' Vaceuchelus roseolus'' (G. Nevill & H. Nevill, 1869) * ''Trochus laminarum'' Jeffreys, 1883: synonym of '' Margarites laminarum'' (Jeffreys, 1883) * ''Trochus lapistina'' Philippi, 1844: synonym of '' Astralium latispina'' (Philippi, 1844) * ''Trochus largillierti'' Philippi, 1849: synonym of '' Clanculus largillierti'' (Philippi, 1849) * ''Trochus latior'' Monterosato, 1880: synonym of ''
Gibbula umbilicaris ''Steromphala umbilicaris'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicaris (Linnaeus, 1758). Accessed through: World Register of Marin ...
'' (Linnaeus, 1758) * ''Trochus laugieri'' Payraudeau, 1826: synonym of '' Calliostoma laugieri'' (Payraudeau, 1826) * ''Trochus leachii'' Philippi, 1846: synonym of '' Margarites costalis'' (Gould, 1841) * ''Trochus lehmanni'' Menke, 1843: synonym of '' Prothalotia lehmanni'' (Menke, 1843) * ''Trochus lentiginosus'' Fischer: synonym of '' Monilea lentiginosa'' (A. Adams, 1853) * ''Trochus lepidus'' Philippi, 1846: synonym of ''
Strigosella lepida ''Cantharidus lepidus'' is a species of sea snail, a marine (ocean), marine gastropod mollusc in the family (biology), family Trochidae, the top snails.Hickman C.S. (2005) Seagrass fauna of the temperate southern coast of Australia I: The canthari ...
'' (Philippi, 1846) * ''Trochus leucophaeus'' Philippi, 1836: synonym of '' Gibbula leucophaea (''Philippi, 1836) * ''Trochus lifuanus'' Fischer, 1878: synonym of '' Monilea lifuana'' (P. Fischer, 1878) * ''Trochus ligulatus'' Menke, 1850: synonym of '' Tegula ligulata'' (Menke, 1850) * ''Trochus lima'' Watson, 1879: synonym of '' Trochus rhina'' Watson, 1886 * ''Trochus lineatus'' da Costa, 1778: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus lineatus'' Lamarck, J.B.P.A. de, 1822: synonym of '' Astralium haematragum'' (Menke, 1829) * ''Trochus lineolatus'' O. G. Costa, 1830: synonym of '' Gibbula divaricata'' (Linnaeus, 1758) * ''Trochus lineolatus'' Potiez & Michaud, 1838: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus lineolatus'' Risso, 1826: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus listeri'' Kiener: synonym of '' Trochus kochii'' Philippi, 1844 * ''Trochus lithophorus'' Blumenbach, 1803: synonym of ''
Xenophora conchyliophora ''Xenophora conchyliophora'' is a species of medium-sized to large sea snail, a marine gastropod mollusk in the family Xenophoridae Xenophoridae, commonly called carrier shells, is a family of medium-sized to large sea snails, marine gastr ...
'' (Born, 1780) * ''Trochus littoralis'' Brusina, 1865: synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (Linnaeus, 1758) * ''Trochus lucidus'' Risso, 1826: synonym of ''Calliostoma conulum'' (Linnaeus, 1758): synonym of ''
Calliostoma conulus ''Calliostoma conulus'' is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. This is the type species of the genus. The variety ''Calliostoma conulus'' var. ''livida'' Dautzenberg, 1927 is a synonym of '' Cal ...
'' (Linnaeus, 1758) * ''Trochus luctuosus'' d'Orbigny, 1841: synonym of '' Tegula luctuosa'' (d'Orbigny, 1841) * ''Trochus lugubris'' Gmelin, 1791: synonym of '' Diloma aethiops'' (Gmelin, 1791) * ''Trochus lunaris'' Gmelin, 1791: synonym of ''
Limacina retroversa ''Limacina retroversa'' is a species of swimming predatory sea snail in the family Limacinidae, that belongs to the group commonly known as sea butterflies ( Thecosomata). There is one subspecies, ''Limacina retroversa australis'' (Eydoux & So ...
'' (Fleming, 1823) * ''Trochus luteus'' Quoy & Gaimard, 1834: synonym of '' Bembicium melanostoma'' (Gmelin, 1791) * ''Trochus lyciacus'' Forbes, 1844: synonym of '' Gibbula albida'' (Gmelin, 1791) * ''Trochus lyonsii'' Leach, 1852: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus macandreae'' Carpenter, 1857: synonym of '' Calliostoma leanum'' (C. B. Adams, 1852) * ''Trochus maculatus'' Risso, 1826: synonym of '' Calliostoma laugieri'' (Payraudeau, 1826) * ''Trochus maculatus verrucosus'' Gmelin, J.F., 1791: synonym of '' Trochus tubiferus'' Kiener, 1850 * ''Trochus magulus'' Deshayes, 1835: synonym of '' Gibbula albida'' (Gmelin, 1791) * ''Trochus magus'' Linnaeus, 1758: synonym of '' Gibbula magus'' (Linnaeus, 1758) * ''Trochus margaritarius'' (Philippi, 1846): synonym of '' Clanculus margaritarius'' (Philippi, 1846) * ''Trochus mariei'' Fischer, 1886: synonym of '' Pagodatrochus variabilis'' (H. Adams, 1873) * ''Trochus marmoreus'' Pease, 1868: synonym of '' Cantharidus marmoreus'' (Pease, 1868) * ''Trochus martini'' Smith J., 1839: synonym of '' Clelandella miliaris'' (Brocchi, 1814) * ''Trochus matoni'' Payraudeau, 1826: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus mauritianus'' Gmelin, 1791: synonym of '' Tectus mauritianus'' (Gmelin, 1791) * ''Trochus mediterraneus'' Wood W., 1828: synonym of '' Clanculus cruciatus'' (Linnaeus, 1758) * ''Trochus melanostoma'' Gmelin, 1791: synonym of '' Bembicium melanostoma'' (Gmelin, 1791) * ''Trochus merula'' Dillwyn, 1817: synonym of '' Oxystele merula'' (Dillwyn, 1817) * ''Trochus metallicus'' Reeve, 1861: synonym of '' Trochus intextus'' Kiener, 1850 * ''Trochus meyeri'' Philippi, 1848: synonym of '' Astele armillata'' (Wood, 1828) * ''Trochus michaudi'' de Blainville, 1830: synonym of '' Gibbula philberti'' (Récluz, 1843) * ''Trochus miliaris'' Brocchi, 1814: synonym of '' Clelandella miliaris'' (Brocchi, 1814) * ''Trochus millegranus'' Philippi, 1836: synonym of '' Clelandella miliaris'' (Brocchi, 1814) * ''Trochus miniatus'' Anton, 1838: synonym of '' Clanculus miniatus'' (Anton, 1838) * ''Trochus minimum'' Benoit, 1843: synonym of ''
Homalopoma sanguineum ''Homalopoma sanguineum'' is a species of sea snail, a marine gastropod mollusk in the family Colloniidae. Description The shell is very small, its length measuring 3.5 – 4 mm and it is 6.5 mm wide. The small, very solid, shell ha ...
'' (Linnaeus, 1758) * ''Trochus minutulus'' Jeffreys, 1883: synonym of '' Lissotesta minima'' (Seguenza, 1876) * ''Trochus modestus'' Reeve, 1843: synonym of '' Bolma modesta'' (Reeve, 1843) * ''Trochus modulus'' Linnaeus, 1758: synonym of '' Modulus modulus'' (Linnaeus, 1758) * ''Trochus mongenii'' Monterosato, 1872: synonym of '' Phorcus mutabilis'' (Philippi, 1846) * ''Trochus montacuti'' Jeffreys, 1865: synonym of ''
Jujubinus montagui ''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely p ...
'' (Wood, 1828) * ''Trochus montagui'' Wood, 1828: synonym of ''
Jujubinus montagui ''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely p ...
'' (Wood, 1828) * ''Trochus multicolor'' Krauss, 1848: synonym of '' Gibbula multicolor'' (Krauss, 1848) * ''Trochus multigranus'' Philippi, 1848: synonym of '' Clanculus corallinus'' (Gmelin, 1791) * ''Trochus muricatus'' Linnaeus, 1758: synonym of ''
Cenchritis muricatus ''Cenchritis muricatus'' is a species of sea snail in the family Littorinidae, the winkles or periwinkles. It occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles The Lesser Antilles ( es, link=no, Antillas Menores; fren ...
'' (Linnaeus, 1758) * ''Trochus mutabilis'' Philippi, 1846: synonym of '' Phorcus mutabilis'' (Philippi, 1846) * ''Trochus nabateus'' Issel, 1869: synonym of '' Priotrochus obscurus obscurus'' (Wood, 1828) * ''Trochus nanus'' Lamarck, 1822: synonym of '' Bembicium nanum'' (Lamarck, 1822) * ''Trochus nebulosus'' Philippi, 1848: synonym of ''
Gibbula umbilicaris ''Steromphala umbilicaris'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicaris (Linnaeus, 1758). Accessed through: World Register of Marin ...
'' (Linnaeus, 1758) * ''Trochus neritoides'' Philippi, 1849: synonym of '' Monodonta neritoides'' (Philippi, 1849) * ''Trochus nigerrimus'' Gmelin, 1791: synonym of '' Omphalius nigerrimus'' (Gmelin, 1791) * ''Trochus niloticus'' Linnaeus, 1767: synonym of '' Tectus niloticus'' (Linnaeus, 1767) * ''Trochus nobilis'' Philippi, 1848: synonym of '' Astele rubiginosa'' (Valenciennes, 1846) * ''Trochus nucleus'' Philippi, 1849: synonym of '' Rossiteria nucleus'' (Philippi, 1849) * ''Trochus obliquatus'' Gmelin, 1791: synonym of ''
Gibbula umbilicalis ''Steromphala umbilicalis'', common name the flat top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicalis (da Cost ...
'' (da Costa, 1778) * ''Trochus obscurus'' Wood, 1828: synonym of '' Priotrochus obscurus'' (W. Wood, 1828) * ''Trochus occidentalis'' Mighels & Adams, 1842: synonym of ''
Calliostoma occidentale ''Calliostoma occidentale'', common name the boreal topsnail, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The size of the shell varies between 6 mm and 17 mm. The shell is rathe ...
'' (Mighels & C. B. Adams, 1842) * ''Trochus ochotensis'' Philippi, 1851: synonym of '' Margarites ochotensis'' (Philippi, 1851) * ''Trochus ochraceus'' Philippi, 1846: synonym of '' Pomaulax gibberosus'' (Dillwyn, 1817) * ''Trochus ochroleurcus'' ic synonym of '' Trochus ochroleucus'' Gmelin, 1791 * ''Trochus olfersii'' Philippi, 1850: synonym of '' Lithopoma tectum'' ( ightfoot 1786) * ''Trochus olivaceus'' Anton, 1838: synonym of '' Gibbula adriatica'' (Philippi, 1844) * ''Trochus ornatus'' Lamarck, 1822: synonym of '' Calliostoma ornatum'' (Lamarck, 1822) * ''Trochus ottoi'' Philippi, 1844: synonym of ''
Calliotropis ottoi ''Calliotropis ottoi'', common name Otto's spiny margarite, is a species of sea snail, a marine gastropod mollusc in the family Eucyclidae. Description The size of the shell varies between 6 mm and 18 mm (1/4 to 3/4-inch). The th ...
'' (Philippi, 1844) * ''Trochus pagodus'' Linnaeus, 1758: synonym of '' Tectarius pagodus'' (Linnaeus, 1758) * ''Trochus pallidus'' Hombron & Jacquinot, 1854: synonym of '' Cantharidus purpureus'' (Gmelin, 1791) * ''Trochus papillosum'' Da Costa, 1778: synonym of '' Calliostoma granulatum'' (Born, 1778) * ''Trochus papillosus'' da Costa, 1778: synonym of '' Calliostoma granulatum'' (Born, 1778) * ''Trochus parvulus'' Philippi, 1844: synonym of ''
Jujubinus montagui ''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely p ...
'' (Wood, 1828) * ''Trochus patagonicus'' d'Orbigny, 1835: synonym of '' Tegula patagonica'' (d'Orbigny, 1835) * ''Trochus patholatus'' Dillwyn, 1817: synonym of '' Gibbula tumida'' (Montagu, 1803) * ''Trochus pauperculus'' Lischke, 1872: synonym of '' Herpetopoma pauperculum'' (Lischke, 1872) * ''Trochus pellucidus'' Valenciennes, 1846: synonym of '' Calliostoma pellucidum'' (Valenciennes, 1846) * ''Trochus pennanti'' Philippi, 1846: synonym of '' Gibbula pennanti'' (Philippi, 1846) * ''Trochus perlatus'' Gmelin, 1791: synonym of ''Modulus perlatus'' (Gmelin, 1791) represented as '' Modulus modulus'' (Linnaeus, 1758) * ''Trochus perspectiviunculus'' Dillwyn, 1817: synonym of '' Heliacus variegatus'' (Gmelin, 1791) * ''Trochus perspectivus'' Linnaeus, 1758: synonym of ''
Architectonica perspectiva ''Architectonica perspectiva'', whose common name is the clear or perspective sundial shell, is a species of sea snail, a marine gastropod mollusk in the family Architectonicidae Architectonicidae, common name the staircase shells or sundi ...
'' (Linnaeus, 1758) * ''Trochus perversus'' Linnaeus, 1758: synonym of '' Monophorus perversus'' (Linnaeus, 1758) * ''Trochus pharaonius'' Linnaeus, 1758: synonym of '' Clanculus pharaonius'' (Linnaeus, 1758) * ''Trochus phasianellus'' (Deshayes, 1863): synonym of '' Calliotrochus marmoreus'' (Pease, 1861) * ''Trochus philberti'' Récluz, 1843: synonym of '' Gibbula philberti'' (Récluz, 1843) * ''Trochus philippensis'' R. B. Watson, 1881: synonym of '' Spectamen philippense'' (Watson, 1881) * ''Trochus philippii'' Aradas, 1847: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus pictus'' W. Wood, 1828: synonym of '' Thalotia conica'' (Gray, 1827) * ''Trochus pictus'' Philippi, 1846: synonym of '' Gibbula spratti'' (Forbes, 1844) * ''Trochus pileus'' Lamarck, 1822: synonym of '' Trochita pileus'' (Lamarck, 1822) * ''Trochus piperinus'' Philippi, 1849: synonym of '' Diloma piperina'' (Philippi, 1849) * ''Trochus planus'' Quoy & Gaimard, 1834: synonym of '' Bembicium nanum'' (Lamarck, 1822) * ''Trochus polaris'' Philippi, 1846: synonym of '' Margarites costalis'' (Gould, 1841) * ''Trochus ponsonbyi'' G.B. Sowerby, 1888: synonym of '' Priotrochus obscurus ponsonbyi'' (G. B. Sowerby, 1888) * ''Trochus poupineli'' Montrouzier in Souverbie & Montrouzier, 1875: synonym of '' Calliostoma comptum'' A. Adams, 1855 * ''Trochus prodicta'' Fischer, 1879: synonym of '' Ethminolia probabilis'' Iredale, 1924 * ''Trochus profugus'' de Gregorio, 1889: synonym of ''
Danilia tinei ''Danilia tinei'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Chilodontidae (gastropods), Chilodontidae. Taxonomy Tommaso di Maria Allery Monterosato, Monterosato (1914) figured the holotype from Calca ...
'' (Calcara, 1839) * ''Trochus pruninus'' Gould, 1849: synonym of '' Cantharidus capillaceus'' (Philippi, 1849) * ''Trochus pulligo'' Gmelin, 1791: synonym of '' Tegula pulligo'' (Gmelin, 1791) * ''Trochus punctulatus'' Martyn, 1784: synonym of '' Calliostoma punctulatum'' (Martyn, 1784) * ''Trochus puniceus'' (Philippi, 1846): synonym of '' Clanculus puniceus'' (Philippi, 1846) * ''Trochus purpureus'' Risso, 1826: synonym of '' Clanculus cruciatus'' (Linnaeus, 1758) * * ''Trochus pustulosus'' Philippi, 1849: synonym of ''Trochus calcaratus'' Souverbie in Souverbie & Montrouzier, 1875 * ''Trochus pyramidatus'' Lamarck, 1822: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus quadricarinatus'' Holten, 1802: synonym of '' Euchelus asper'' (Gmelin, 1791) * ''Trochus quadricostatus'' W. Wood, 1828: synonym of '' Tegula quadricostata'' (W. Wood, 1828) * ''Trochus racketti'' Payraudeau, 1826: synonym of '' Gibbula racketti'' (Payraudeau, 1826) * ''Trochus radians'' Lamarck, 1816: synonym of '' Trochita trochiformis'' (Born, 1778) * ''Trochus radiatus'' Anton, 1838: synonym of '' Phorcus richardi'' (Payraudeau, 1826) * ''Trochus rarilineatus'' Michaud, 1829: synonym of '' Gibbula rarilineata'' (Michaud, 1829) * ''Trochus reinierius'' Risso, 1826: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus rhina'' Watson, 1886: synonym of '' Calliotropis rhina'' (Watson, 1886) * ''Trochus rhodostomus'' Lamarck, 1822: synonym of '' Astralium rhodostomum'' (Lamarck, 1822) * ''Trochus rhysus'' Watson, 1879: synonym of '' Calliotropis rhysa'' (Watson, 1879) * ''Trochus richardi'' (Payraudeau, 1826): synonym of '' Phorcus richardi'' (Payraudeau, 1826) * ''Trochus rigatus'' Philippi, 1849: synonym of '' Monilea callifera'' (Lamarck, 1822) * ''Trochus roissyi'' Payraudeau, 1826: synonym of ''
Gibbula varia ''Steromphala varia'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala varia (Linnaeus, 1758). Accessed through: World Register of Marine Species at ...
'' (Linnaeus, 1758) * ''Trochus roseolus'' G. Nevill & H. Nevill, 1869: synonym of '' Vaceuchelus roseolus'' (G. Nevill & H. Nevill, 1869) * ''Trochus roseus'' Salis Marschlins, 1793: synonym of '' Clanculus corallinus'' (Gmelin, 1791) * ''Trochus rostratus'' Gmelin, 1791: synonym of '' Cantharidus purpureus'' (Gmelin, 1791) * ''Trochus rotellina'' Gould, 1849: synonym of '' Camitia rotellina'' (Gould, 1849) * ''Trochus rotularius'' Lamarck, 1822: synonym of '' Astralium rotularium'' (Lamarck, 1822) * ''Trochus rubiginosus'' Valenciennes, 1846: synonym of '' Astele rubiginosa'' (Valenciennes, 1846) * ''Trochus rugulosus'' Koch, 1848: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus ruscurianus'' Weinkauff, 1868: synonym of '' Jujubinus ruscurianus'' (Weinkauff, 1868) * ''Trochus rusticus'' Gmelin, 1791: synonym of '' Omphalius rusticus'' (Gmelin, 1791) * ''Trochus sacellus'' Philippi, R.A., 1854: synonym of '' Trochus calcaratus'' Souverbie in Souverbie & Montrouzier, 1875 * ''Trochus sagittiferus'' Lamarck, 1822: synonym of '' Phorcus sauciatus'' (Koch, 1845) * ''Trochus sandwichiensis'' Souleyet, F.L.A., 1852: synonym of '' Trochus intextus'' Kiener, L.C., 1850 * ''Trochus sarniensis'' Norman, 1888: synonym of ''
Gibbula umbilicalis ''Steromphala umbilicalis'', common name the flat top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicalis (da Cost ...
'' (da Costa, 1778) * ''Trochus sauciatus'' Koch, 1845: synonym of '' Phorcus sauciatus'' (Koch, 1845) * ''Trochus saulcyi'' d'Orbigny, 1840: synonym of '' Phorcus sauciatus'' (Koch, 1845) * ''Trochus scaber'' Linnaeus, 1758: synonym of '' Euchelus scaber'' (Linnaeus, 1758) * ''Trochus scabrosus'' Philippi, 1850: synonym of '' Clanculus scabrosus'' (Philippi, 1850) * ''Trochus scabrosus'' Jeffreys, 1883: synonym of '' Putzeysia wiseri'' (Calcara, 1842) * ''Trochus schantaricus'' Middendorff, 1849: synonym of '' Margarites schantaricus'' (Middendorff, 1849) * ''Trochus scrobiculatus'' Souverbie & Montrouzier, 1866: synonym of '' Vaceuchelus clathratus'' (A. Adams, 1853) * ''Trochus scrobiculatus'' Souverbie, 1886: synonym of '' Vaceuchelus scrobiculatus'' (Souverbie, 1866) * ''Trochus selectus'' Dillwyn, 1817: synonym of ''
Calliostoma selectum ''Calliostoma selectum'', common name the select maurea, is a species of medium-sized sea snail, a marine gastropod mollusc in the family Calliostomatidae, the calliostoma top snails. Some authors place this taxon in the subgenus ''Calliostoma ...
'' (Dillwyn, 1817) * ''Trochus semicostatus'' Kiener, 1850: synonym of '' Astralium semicostatum'' (Kiener, 1850) * ''Trochus semiglobosus'' Aradas, 1847: synonym of '' Gibbula pennanti'' (Philippi, 1846) * ''Trochus semistriatus'' d'Orbigny, 1842: synonym of '' Teinostoma semistriatum'' (d'Orbigny, 1842) * ''Trochus seriatus'' Megerle von Mühlfeld, 1824: synonym of '' Monophorus perversus'' (Linnaeus, 1758) * ''Trochus seriopunctatus'' de Blainville, 1830: synonym of '' Calliostoma laugieri'' (Payraudeau, 1826) * ''Trochus shinagawaensis'' Tokunaga, 1906: synonym of '' Calliostoma shinagawaense'' (Tokunaga, 1906) * ''Trochus signatus'' Jonas, 1844: synonym of '' Priotrochus obscurus obscurus'' (Wood, 1828) * ''Trochus sinensis'' Gmelin, 1791: synonym of '' Oxystele sinensis'' (Gmelin, 1791) * ''Trochus sismondae'' Issel, 1869: synonym of '' Peasiella isseli'' (Semper in Issel, 1869) * ''Trochus smaragdinus'' Monterosato, 1880: synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (Linnaeus, 1758) * ''Trochus smaragdus'' Reeve, 1862: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus smithi'' Wood, 1828: synonym of '' Monilea smithi'' (Wood, 1828) * ''Trochus socius'' Fischer P., 1895: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus solaris'' Linnaeus, 1764: synonym of '' Stellaria solaris'' (Linnaeus, 1764) * ''Trochus solaris'' Brocchi, 1814: synonym of '' Bolma rugosa'' (Linnaeus, 1767) * ''Trochus solidus'' Jonas: synonym of '' Trochus firmus'' Philippi, 1849 * ''Trochus splendidus'' Philippi, 1855: synonym of '' Astele rubiginosa'' (Valenciennes, 1846) * ''Trochus spongiarum'' Bucquoy, Dautzenberg & Dollfus, 1885: synonym of '' Calliostoma laugieri'' (Payraudeau, 1826) * ''Trochus spratti'' Forbes, 1844: synonym of '' Gibbula spratti'' (Forbes, 1844) * ''Trochus spurcus'' Gould, 1856: synonym of '' Gibbula spurca'' (Gould, 1856) * ''Trochus squamiferus'' Koch, 1844: synonym of '' Bellastraea squamifera'' (Koch, 1844) * ''Trochus stellaris'' Röding, 1798: synonym of '' Trochus stellatus'' Gmelin, 1791 * ''Trochus stenomphalus'' G. B. Sowerby III, 1890: synonym of ''Jujubinus suarezensis fultoni'' (G. B. Sowerby III, 1890) † * ''Trochus stramineus'' Gmelin, 1791: synonym of '' Heliacus (Grandeliacus) stramineus'' (Gmelin, 1791) * ''Trochus striatulus'' Garrett, 1857: synonym of '' Calliotrochus marmoreus'' (Pease, 1861) * ''Trochus striatus'' (Linnaeus, 1758): synonym of ''
Jujubinus striatus ''Jujubinus striatus'', common name the grooved top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. ;Subspecies: * ''Jujubinus striatus delpreteanus'' Sulliotti, 1889 * ''Jujubinus striatus ...
'' (Linnaeus, 1758) * ''Trochus strigosus'' Gmelin, 1791: synonym of ''
Gibbula cineraria ''Steromphala cineraria'' is a species of small sea snail, a marine gastropod mollusc in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala cineraria (Linnaeus, 1758). Accessed through: World Register of ...
'' (Linnaeus, 1758) * ''Trochus suavis'' Philippi, 1850: synonym of '' Pictodiloma suavis'' (Philippi, 1850) * ''Trochus subcarinatus'' (Swainson, 1855): synonym of '' Astele subcarinata'' Swainson, 1855 * ''Trochus subviridis'' Philippi, 1848: synonym of '' Trochus nigropunctatus'' Reeve, 1861 * ''Trochus succinctus'' Monterosato, 1880: synonym of '' Gibbula ardens'' (Salis Marschlins, 1793) * ''Trochus sulcatus'' Gmelin, 1791: synonym of ''
Cookia sulcata ''Cookia sulcata'', or Cook's turban, is a species of large sea snail, a marine gastropod mollusc in the family Turbinidae, the turban snails.Bouchet, P. (2012). Cookia sulcata (Lightfoot, 1786). Accessed through: World Register of Marine Specie ...
'' (Lightfoot, 1786) * ''Trochus sulcatus'' Martyn, 1784: synonym of ''
Cookia sulcata ''Cookia sulcata'', or Cook's turban, is a species of large sea snail, a marine gastropod mollusc in the family Turbinidae, the turban snails.Bouchet, P. (2012). Cookia sulcata (Lightfoot, 1786). Accessed through: World Register of Marine Specie ...
'' (Lightfoot, 1786) * ''Trochus surgillatus'' Reeve, 1861: synonym of '' Trochus radiatus'' Gmelin, 1791 * ''Trochus suturalis'' Philippi, 1836: synonym of '' Callumbonella suturalis'' (Philippi, 1836) * ''Trochus tampaensis'' Conrad, 1846: synonym of '' Calliostoma tampaense'' (Conrad, 1846) * ''Trochus tamsii'' Dunker in Philippi, 1845: synonym of '' Phorcus atratus'' (Wood, 1828) * ''Trochus tantillus'' Gould, 1849: synonym of '' Peasiella tantilla'' (Gould, 1849) * ''Trochus tectum'' Gmelin, 1791: synonym of '' Modulus tectum'' (Gmelin, 1791) * ''Trochus tectumchinense'' Noodt, 1819: synonym of Pomaulax gibberosus (Dillwyn, 1817) * ''Trochus tectus'' Lightfoot, 1786: synonym of '' Lithopoma tectum'' (Lightfoot, 1786) * ''Trochus tenebricus'' Reeve, 1861: synonym of '' Trochus intextus'' Kiener, 1850 * ''Trochus tentoriiformis'' Jonas, 1845: synonym of '' Astralium tentoriiforme'' (Jonas, 1845) * ''Trochus tentorium'' Gmelin, 1791: synonym of '' Tectus tentorium'' (Gmelin, 1791) * ''Trochus tenuis'' Montagu, 1803: synonym of '' Calliostoma granulatum'' (Born, 1778) * ''Trochus tessulatus'' Born, 1778: synonym of '' Phorcus turbinatus'' (Born, 1778) * ''Trochus tetragonostoma'' Jordan, 1895: synonym of '' Callumbonella suturalis'' (Philippi, 1836) * ''Trochus textilis'' Reeve, 1861: synonym of '' Trochus nigropunctatus'' Reeve, 1861 * ''Trochus texturatus'' Gould, 1849: synonym of '' Cantharidus purpureus'' (Gmelin, 1791) * ''Trochus tiaratus'' Quoy & Gaimard, 1834: synonym of ''
Coelotrochus tiaratus ''Coelotrochus tiaratus'', whose common names include tiara top shell, brown top shell, mititi, and mitimiti is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Rosenberg, G. (2012). ''Coelotrochus tiara ...
'' (Quoy & Gaimard, 1834) * ''Trochus tiberianus'' Crosse, 1863: synonym of '' Cantharidella tiberiana'' (Crosse, 1863) * ''Trochus tigrinus'' Anton, 1838: synonym of '' Oxystele tigrina'' (Anton, 1838) * ''Trochus tigris'' Gmelin, 1791: synonym of '' Calliostoma tigris'' (Gmelin, 1791) * ''Trochus tornatus'' Röding, 1798: synonym of '' Calliostoma tornatum'' (Röding, 1798) * ''Trochus torosus'' Kiener, 1850: synonym of '' Cantharidus purpureus'' (Gmelin, 1791) * ''Trochus torquatus'' Anton in Philippi, 1848: synonym of '' Calliostoma pellucidum'' (Valenciennes, 1846) * ''Trochus tranquebaricus'' Röding, 1798: synonym of '' Calliostoma tranquebaricum'' (Röding, 1798) * ''Trochus tricarinatus'' Lamarck, 1818: synonym of '' Euchelus asper'' (Gmelin, 1791) * ''Trochus tricolor'' Risso, 1826: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus trisulcatus'' Forsskål in Niebuhr, 1775: synonym of '' Terebralia palustris'' (Linnaeus, 1767) * ''Trochus triumphans'' Philippi, 1841: synonym of '' Guildfordia triumphans'' (Philippi, 1841) * ''Trochus tuber'' Linnaeus, 1758: synonym of '' Lithopoma tuber'' (Linnaeus, 1758) * ''Trochus tuberculatus'' da Costa, 1778: synonym of '' Gibbula magus'' (Linnaeus, 1758) * ''Trochus tuberculatus'' Risso, 1826: synonym of '' Gibbula fanulum'' (Gmelin, 1791) * ''Trochus tuberculosus'' d'Orbigny, 1842: synonym of '' Parviturbo tuberculosus'' (d'Orbigny, 1842) * ''Trochus tubifer'' ic synonym of '' Trochus tubiferus'' Kiener, 1850 * ''Trochus tumidulus'' Nardo, 1847: synonym of ''
Jujubinus montagui ''Jujubinus montagui'' is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails. Description The size of the shell varies between 3 mm and 9 mm. The imperforate or very minutely p ...
'' (Wood, 1828) * ''Trochus tumidulus'' Aradas, 1846: synonym of '' Jujubinus tumidulus'' (Aradas, 1846) * ''Trochus tumidus'' Montagu, 1803: synonym of '' Gibbula tumida'' (Montagu, 1803) * ''Trochus turbiformis'' Salis Marschlins, 1793: synonym of '' Phorcus articulatus'' (Lamarck, 1822) * ''Trochus turbinatus'' Born, 1778: synonym of '' Osilinus turbinatus'' (Born, 1778) * ''Trochus turbinoides'' Deshayes, 1835: synonym of ''
Gibbula turbinoides ''Gibbula turbinoides'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 4 mm and 10 mm. The globose shell was previously thought to b ...
'' (Deshayes, 1835) * ''Trochus umbilicalis'' da Costa, 1778: synonym of ''
Gibbula umbilicalis ''Steromphala umbilicalis'', common name the flat top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicalis (da Cost ...
'' (da Costa, 1778) * ''Trochus umbilicaris'' Linnaeus, 1758: synonym of ''
Gibbula umbilicaris ''Steromphala umbilicaris'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicaris (Linnaeus, 1758). Accessed through: World Register of Marin ...
'' (Linnaeus, 1758) * ''Trochus umbilicatus'' Montagu, 1803: synonym of ''
Gibbula umbilicalis ''Steromphala umbilicalis'', common name the flat top shell, is a species of sea snail, a marine gastropod mollusk in the family (biology), family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala umbilicalis (da Cost ...
'' (da Costa, 1778) * ''Trochus undosus'' W. Wood, 1828: synonym of '' Megastraea undosa'' (W. Wood, 1828) * ''Trochus undulatus'' Risso, 1826: synonym of '' Gibbula fanulum'' (Gmelin, 1791) * ''Trochus unguis'' W. Wood, 1828: synonym of '' Uvanilla unguis'' (W. Wood, 1828) * ''Trochus unicus'' Dunker, 1860: synonym of '' Calliostoma unicum'' (Dunker, 1860) * ''Trochus unidentatus'' Philippi, 1844: synonym of '' Jujubinus unidentatus'' (Philippi, 1844) * ''Trochus vaillanti'' P. Fisher, 1882: synonym of '' Solariella vaillanti'' (P. Fischer, 1882) * ''Trochus varians'' O. G. Costa, 1830: synonym of '' Gibbula divaricata'' (Linnaeus, 1758) * ''Trochus varians'' Deshayes, 1835: synonym of '' Gibbula adriatica'' (Philippi, 1844) * ''Trochus variegatus'' Gmelin, 1791: synonym of '' Heliacus (Heliacus) variegatus'' (Gmelin, 1791) * ''Trochus varius'' Linnaeus, 1758: synonym of ''
Gibbula varia ''Steromphala varia'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.MolluscaBase eds. (2020). MolluscaBase. Steromphala varia (Linnaeus, 1758). Accessed through: World Register of Marine Species at ...
'' (Linnaeus, 1758) * ''Trochus venosus'' Megerle von Mühlfeld, 1816: synonym of '' Jujubinus unidentatus'' (Philippi, 1844) * ''Trochus vernus'' Gmelin, J.F., 1791: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus verrucosus'' Gmelin, 1791: synonym of ''
Trochus maculatus ''Trochus maculatus'', common name the maculated top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description The size of the shell varies between 25 mm and 65 mm. This is an ex ...
'' Linnaeus, 1758 * ''Trochus vestiarius'' Linnaeus, 1758: synonym of '' Umbonium vestiarium'' (Linnaeus, 1758) * ''Trochus vieillioti'' (Payraudeau, 1826): synonym of '' Clanculus cruciatus'' (Linnaeus, 1758) * ''Trochus villicus'' Philippi, 1844: synonym of '' Gibbula philberti'' (Récluz, 1843) * ''Trochus violaceus'' Risso, 1826: synonym of ''Calliostoma conulum'' (Linnaeus, 1758): synonym of ''
Calliostoma conulus ''Calliostoma conulus'' is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. This is the type species of the genus. The variety ''Calliostoma conulus'' var. ''livida'' Dautzenberg, 1927 is a synonym of '' Cal ...
'' (Linnaeus, 1758) * ''Trochus virgatus'' Gmelin, 1791: synonym of '' Tectus virgatus'' (Gmelin, 1791) * ''Trochus viridis'' Gmelin, 1791: synonym of '' Coelotrochus viridis'' (Gmelin, 1791) * ''Trochus viridulus'' Gmelin, 1791: synonym of '' Tegula viridula'' (Gmelin, 1791) * ''Trochus vividus'' Reeve, 1861 : synonym of '' Trochus radiatus'' Gmelin, 1791 * ''Trochus vulgaris'' Risso, 1826: synonym of ''
Jujubinus exasperatus ''Jujubinus exasperatus'', the Rough Top Shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description ''Jujubinus exasperatus'' has a shell which can reach an adult size of . The shape of th ...
'' (Pennant, 1777) * ''Trochus wilsi'' Pickery, 1989: synonym of '' Trochus cariniferus'' Reeve, 1842 * ''Trochus wiseri'' Calcara, 1842: synonym of '' Putzeysia wiseri'' (Calcara, 1842) * ''Trochus yokohamensis'' Bock, 1878: synonym of '' Kanekotrochus infuscatus'' (Gould, 1861) * ''Trochus zelandicus'' Quoy & Gaimard, 1834: synonym of '' Diloma zelandica'' (Quoy & Gaimard, 1834) * ''Trochus ziczac'' Gmelin, 1791: synonym of '' Echinolittorina ziczac'' (Gmelin, 1791) * ''Trochus zizyphinus'' Linnaeus, 1758: synonym of ''
Calliostoma zizyphinum ''Calliostoma zizyphinum'', common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae. Description The solid, regularly conical shell is straight-sided and imperforate. Th ...
'' (Linnaeus, 1758) * ''Trochus zonatus'' Jeffreys, 1856: synonym of '' Phorcus turbinatus'' (Born, 1778) * ''Trochus (Collonia) verruca'' Gould, 1845: synonym of '' Collonista verruca'' (Gould, 1845) ;The following species are
nomina dubia In binomial nomenclature, a ''nomen dubium'' (Latin for "doubtful name", plural ''nomina dubia'') is a scientific name that is of unknown or doubtful application. Zoology In case of a ''nomen dubium'' it may be impossible to determine whether a s ...
(names of unknown or doubtful application): * ''Trochus bicinctus'' Philippi, 1849 * ''Trochus quadricinctus'' Mühlfeld, 1824 ;Species inquirenda: * ''Trochus artensis'' P. Fischer, 1878 * ''Trochus fabrei'' Montrouzier in Fischer, 1878 * ''Trochus incarnatus'' Philippi, 1846 * ''Trochus pulchellus'' Philippi, 1846 * ''Trochus reevei'' Montrouzier in Souverbie & Montrouzier, 1866 * ''Trochus rhodomphalus'' Souverbie in Souverbie & Montrouzier, 1875 * ''Trochus saga'' Philippi, 1846 * ''Trochus scrobiculatus'' Souverbie in Souverbie & Montrouzier, 1866 * ''Trochus sublaevis'' Geinitz, 1842 * ''Trochus subviridis'' Philippi, 1848


References

* A. Adams, ''Contributions toward a Monograph of the Trochidae'', in Proc. Zool. Soc, 1851, pp. 150–192. * R- A. Philippi, ''Monograph of Trochus'' in Syst. Conchylien Cabinet, ed. 2 (1846 to about 1856). * Lovell Reeve, In Conchologia Iconica vol. xiii. (1861) (a very incomplete work) * Herbert G.G. (1993). ''Revision of the Trochinae, tribe Trochini (Gastropoda: Trochidae) of southern Africa''. Annals of the natal Museum 34(2):239-308. * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213


Further reading


Linnaeus, C. (1758). ''Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis.'' Editio decima, reformata. Laurentius Salvius: Holmiae. ii, 824 pp.

Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. Schultz, Copenghagen. iv + 288 pp., 22 pls

Pilsbry, H. A. (1889-1890). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 1. Vol. 11: Trochidae, Stomatiidae, Pleurotomariidae, Haliotidae. pp 1-519, pls 1-67. Philadelphia, published by the Conchological Section, Academy of Natural Sciences.

Marshall, B. A. (1998). A review of the Recent Trochini of New Zealand (Mollusca: Gastropoda: Trochidae). Molluscan Research. 19 (1): 73-106

_Gray,_J._E._(1857)._Guide_to_the_systematic_distribution_of_Mollusca_in_the_British_Museum._Part_I._[Gastropoda
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* Powell_A._W._B.,_''New_Zealand_Mollusca'',_HarperCollins">William_Collins_Publishers_Ltd,_Auckland,_New_Zealand_1979_ *_Miller_M_&_Batt_G,_''Reef_and_Beach_Life_of_New_Zealand'',_HarperCollins.html" ;"title="Arthur William Baden Powell">Powell A. W. B., ''New Zealand Mollusca'', William_Collins_Publishers_Ltd,_Auckland,_New_Zealand_1979_ *_Miller_M_&_Batt_G,_''Reef_and_Beach_Life_of_New_Zealand'',_HarperCollins">William_Collins_(New_Zealand)_Ltd,_Auckland,_New_Zealand_1973 {{Authority_control Trochus.html" ;"title="HarperCollins">William Collins Publishers Ltd, Auckland, New Zealand 1979 * Miller M & Batt G, ''Reef and Beach Life of New Zealand'', HarperCollins">William Collins (New Zealand) Ltd, Auckland, New Zealand 1973 {{Authority control Trochus"> Trochidae