''Tricolia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

s, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

s in the subfamily Tricoliinae of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Phasianellidae Phasianellidae, with the common name "pheasant shells" or "pheasant snails", is a family of small sea snails with calcareous opercula, marine gastropod mollusks in the subclass Vetigastropoda Vetigastropoda is a major taxonomic group of s ...

. This genus formerly belonged to the family Tricoliidae.

Description

This genus consists of small species with a head without frontal lobes. The shell is ovate, elongated, and imperforate. The

radula The radula (; : radulae or radulas) is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters ...

has a broad, simple median tooth, overlying the bases of the inner laterals. These are subrhomboidal, produced at their outer angles into wings which overlie the bases of the adjacent tooth outward, and have denticulate cusps. The outer lateral is narrow, not produced on the outer angle. The marginal teeth have long simple cusps, The

columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...

is smooth, arcuate, and not dentate.

Distribution

The species occurs in all tropical and subtropical seas.

Species

Species within the genus ''Tricolia'' include: Tricolia gabiniana 001

* '' Tricolia adusta'' Nangammbi & Herbert, 2006 * '' Tricolia algoidea'' (Pallary, 1920) * '' Tricolia bicarinata'' Dunker, 1846 * '' Tricolia capensis'' (Dunker, 1846) * '' Tricolia delicata'' Poppe, Tagaro & Goto, 2018 * '' Tricolia deschampsi'' Gofas, 1993 * † '' Tricolia dissimilis'' (Deshayes, 1863) * † '' Tricolia dunkeri'' (Deshayes, 1863) * '' Tricolia elongata'' (Krauss, 1848) * '' Tricolia entomocheila'' Gofas, 1993 * '' Tricolia fordiana'' (Pilsbry, 1888) * '' Tricolia formosa'' (W. H. Turton, 1932) * '' Tricolia gabiniana'' (Cotton & Godfrey, 1938) * † '' Tricolia herouvalensis'' (Cossmann, 1888) * '' Tricolia indica'' Winckworth, 1940 * '' Tricolia insignis'' (Turton, 1932) * '' Tricolia ios'' Robertson, 1985 * '' Tricolia kochii'' (Philippi, 1848) * † '' Tricolia laevis'' (Defrance, 1826) * † '' Tricolia lamarckiana'' (Deshayes, 1863) * '' Tricolia landinii'' Bogi & Campani, 2007 * † '' Tricolia laubrierei'' (Cossmann, 1888) * '' Tricolia milaschewitchi'' Anistratenko & Starobogatov, 1991 * '' Tricolia miniata'' ( Monterosato, 1884) * '' Tricolia munieri'' (Vélain, 1877) * ''

Tricolia neritina ''Tricolia neritina'' is a species of sea snail, a marine gastropod mollusk in the family Phasianellidae. Description Distribution This marine species occurs off Namibia, South Africa and Mozambique Mozambique, officially the Republ ...

'' (Dunker, 1846) * '' Tricolia nordsiecki'' (Talavera, 1978) * '' Tricolia petiti'' (Craven, 1882) * ''

Tricolia pullus ''Tricolia pullus'' is a species of small sea snail, a marine gastropod mollusk in the family Phasianellidae. Subspecies Subspecies within this species are not clearly distinguishable and are described on a geographical base. They include: * '' ...

'' (

Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

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 zoologic ...

) * '' Tricolia punctura'' Gofas, 1993 * '' Tricolia retrolineata'' Nangammbi & Herbert, 2008 * '' Tricolia rosea'' (Angas, 1867) * '' Tricolia saxatilis'' Nangammbi & Herbert, 2006 * † '' Tricolia semistriata'' (Lamarck, 1804) * ''

Tricolia speciosa ''Tricolia speciosa'', common name the Mediterranean pheasant, is a species of sea snail, a marine gastropod mollusk in the family Phasianellidae. Description The height of the shell varies between 7 mm and 13 mm. The thin, shining sh ...

'' (Mühlfeld, 1824) * '' Tricolia striolata'' (W. H. Turton, 1932) * † '' Tricolia succinaeopsis'' (Cossmann, 1888) * † '' Tricolia suessoniensis'' (Deshayes, 1863) * '' Tricolia tenuis'' (Michaud, 1829) * † '' Tricolia tenuistriata'' (Deshayes, 1863) * '' Tricolia tingitana'' Gofas, 1982 * '' Tricolia tomlini'' (Gatliff & Gabriel, 1921) * '' Tricolia tristis'' (Pilsbry 1903) * † '' Tricolia turbinoides'' (Lamarck, 1804) † * † '' Tricolia vasseuri'' (Cossmann, 1902) ;Species brought into synonymy : * ''Tricolia adamsi'' (Philippi, 1853): synonym of '' Eulithidium adamsi'' (Philippi, 1853) * ''Tricolia affinis'' (C. B. Adams, 1850): synonym of ''

Eulithidium affine ''Eulithidium affine'', common name the polka-dot pheasant or the spotted pheasant, is a species of sea snail, a marine gastropod mollusk in the family Phasianellidae. Description The height of the shell reaches 6.2 mm. The elongate shell ...

'' (C. B. Adams, 1850) * ''Tricolia affinis beaui'' Robertson, 1958: synonym of '' Eulithidium beaui'' (Robertson, 1958) * ''Tricolia alfredensis'' (Turton, 1932): synonym of '' Tricolia elongata'' (Krauss, 1848) * ''Tricolia beaui'' Robertson, 1958: synonym of '' Eulithidium beaui'' (Robertson, 1958) * ''Tricolia bella'' (M. Smith, 1937): synonym of '' Eulithidium bellum'' (M. Smith, 1937) * ''Tricolia bellum'' M. Smith, 1937: synonym of '' Eulithidium bellum'' (M. Smith, 1937) * ''Tricolia breve'' d'Orbigny, 1842: synonym of '' Eulithidium breve'' (d'Orbigny, 1842) omen dubium* ''Tricolia brongniartii'' Audouin, 1826: synonym of '' Phasianella solida'' (Born, 1778) * ''Tricolia bryani'' Pilsbry, H.A., 1917: synonym of '' Tricolia variabilis'' (Pease, 1861) * ''Tricolia compta'' (Gould, 1855): synonym of '' Eulithidium comptum'' (Gould, 1855) * ''Tricolia cruenta'' Robertson, 1958: synonym of ''

'' (C. B. Adams, 1850) * ''Tricolia cyclostoma'' (Carpenter, 1864): synonym of '' Eulithidium cyclostoma'' (Carpenter, 1864) * ''Tricolia diantha'' McLean, 1970: synonym of '' Eulithidium diantha'' (McLean, 1970) * ''Tricolia draparnaudi'' Audouin, 1826: synonym of ''

Echinolittorina punctata ''Echinolittorina punctata'' is a species of sea snail, a marine gastropod mollusc in the family Littorinidae The Littorinidae are a taxonomic family of over 200 species of sea snails, marine gastropod molluscs in the clade Littorinimorpha, ...

'' (Gmelin, 1791) * ''Tricolia guerini'' Audouin, 1826: synonym of '' Phasianella solida'' (Born, 1778) * ''Tricolia kraussi'' E.A. Smith, 1911:synonym of Tricolia bicarinata (Dunker, 1846) * ''Tricolia macleani'' Marincovich, 1973: synonym of '' Eulithidium macleani'' (Marincovich, 1973) * ''Tricolia megastoma'' Pilsbry, H.A., 1895: synonym of '' Tricolia variabilis'' (Pease, 1861) * ''Tricolia molokaiensis'' Pilsbry, H.A., 1917: synonym of '' Tricolia variabilis'' (Pease, 1861) * ''Tricolia nicaeensis'' Risso 1826: synonym of ''

'' (Mühlfeld, 1824) * ''Tricolia oligomphala'' (Pilsbry, 1895): synonym of ''Tricolia variabilis'' (Pease, 1861) * ''Tricolia perforata'' (Philippi, 1848): synonym of '' Eulithidium perforatum'' (Philippi, 1848) * ''Tricolia phasianella'' (Philippi, 1849): synonym of '' Eulithidium phasianella'' (Philippi, 1849) * ''Tricolia picta'' (da Costa, 1778): synonym of ''Tricolia pullus picta'' (da Costa, 1778) * ''Tricolia pterocladia'' sic: synonym of '' Eulithidium pterocladicum'' (Robertson, 1958) * ''Tricolia pterocladica'' Robertson, 1958: synonym of '' Eulithidium pterocladicum'' (Robertson, 1958) * '' Tricolia pulchella'' (Récluz, 1843): synonym of '' Eulithidium bellum'' (M. Smith, 1937) * ''Tricolia pulloides'' (Carpenter, 1865): synonym of '' Eulithidium pulloides'' (Carpenter, 1865) * ''Tricolia rentneri'' Nordsieck 1973: synonym of ''

'' (Mühlfeld, 1824) * ''Tricolia rissoi'' Audouin, 1826: synonym of ''

Melarhaphe neritoides ''Melarhaphe neritoides'', common name : the small periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles. This species was previously known as ''Littorina neritoides''. ...

'' (

) * ''Tricolia rubra'' Risso 1826: synonym of ''

'' (Mühlfeld, 1824) * ''Tricolia speciosa'' var. ''seriopunctata'' Monterosato 1884: synonym of ''

'' (Mühlfeld, 1824) * ''Tricolia speciosa'' var. ''virescens'' Monterosato 1884: synonym of ''

'' (Mühlfeld, 1824) * ''Tricolia substriata'' (Carpenter, 1864): synonym of '' Eulithidium substriatum'' (P. P. Carpenter, 1864) * ''Tricolia tessellata'' (Potiez & Michaud, 1838): synonym of ''

Eulithidium tessellatum ''Eulithidium tessellatum'' is a species of sea snail, a marine gastropod mollusc in the family Phasianellidae. Description The shell size varies between 3 mm and 6 mm. The short and solid shell has an oval or ovate shape. The spire i ...

'' (Potiez & Michaud, 1838) * ''Tricolia tessellata'' auct. non Potiez & Michaud, 1838: synonym of '' Eulithidium pterocladicum'' (Robertson, 1958) * ''Tricolia tesselata'' auct. non C. B. Adams, 1850: synonym of '' Eulithidium thalassicola'' (Robertson, 1958) * ''Tricolia thalassicola'' Robertson, 1958: synonym of '' Eulithidium thalassicola'' (Robertson, 1958) * ''Tricolia thaanumi'' Pilsbry, H.A., 1917: synonym of '' Tricolia variabilis'' (Pease, 1861) * ''Tricolia tricolor'' (Monterosato in Bucquoy, Dautzenberg & Dollfus, 1884): synonym of ''Tricolia pullus'' (

) * ''Tricolia tropidophora'' Tomlin, 1931: synonym of ''Tricolia bicarinata'' (Dunker, 1846) * ''Tricolia umbilicata'' (d'Orbigny, 1840): synonym of '' Eulithidium umbilicatum'' (d'Orbigny, 1840) * ''Tricolia variabilis'' (Pease, 1860): synonym of '' Hiloa variabilis'' (Pease, 1861) * ''Tricolia variegata'' (Carpenter, 1864): synonym of '' Eulithidium variegatum'' (Carpenter, 1864) * ''Tricolia virgo'' Angas, G.F., 1867: synonym of '' Tricolia variabilis'' (Pease, 1861)

References

Monterosato T. A. (di) (1884). ''Nomenclatura generica e specifica di alcune conchiglie mediterranee''. Palermo, Virzi, 152 pp.,, p. 50
* Smith E.A. (1911). ''On a new species of Phasianella from South Africa''. Proc. Malac. Soc, vol. 9, pt. 5, pp. 313–314 * Gofas S. (1982). ''The genus Tricolia in the Eastern Atlantic and the Mediterranean''. Journal of Molluscan Studies 48: 182-213 * Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp * 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 * Williams, S.T., Karube, S. & Ozawa, T. (2008) ''Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined.'' Zoologica Scripta 37, 483–506 {{Authority control Phasianellidae Gastropod genera