''Cyclostrema'' 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 n ...
of
sea snails,
marine gastropod mollusk
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 es ...
s in 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 ...
Liotiidae
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).Gofas, S. (2013). Liotiidae Gray, 1850. Accessed through: World Register ...
.
''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself.
A complete revision of the family Liotiidae is under way (2013). Many species, now included in ''Cyclostrema'', will eventually end up outside the family Liotiidae. (pers. comm.)
Description
The characteristics of this genus are: The depressed shell is white, or uniformly colored. The
body whorl is obliquely striate. The
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 are ...
short. The
aperture
In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.
An ...
is circular. The
umbilicus is very large with the volutions of the
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
Whorls in nature
File:Photograph and axial plane flo ...
s visible within it. The surface contains spiral ridges and is cancellated.
Species
Species within the genus ''Cyclostrema'' include:
* ''
Cyclostrema alveolatum
''Cyclostrema'' is a genus of sea snails, marine gastropod mollusks in the family Liotiidae.
''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself.
A complete revision of the family Li ...
''
Jousseaume, 1872 (taxon inquirendum)
* ''
Cyclostrema amabile
''Cyclostrema amabile'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
Description
(Original description by W.H. Dall) The height of the shell attains 6.2 mm. This a rather rare shell. The small, yellowish ...
''
(Dall, 1889)
* ''
Cyclostrema annuliferum''
Dautzenberg, 1910
* ''
Cyclostrema archeri''
Tryon, 1888
* ''
Cyclostrema bibi''
Espinosa, Ortea, Fernandez-Garcés & Moro, 2007
* ''
Cyclostrema bushi
''Cyclostrema bushi'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
This species was named after the American malacologist Katherine J. Bush (1855–1937) who had made a revision of ''Cyclostrema'' in 1897 (T ...
''
Dautzenberg & H. Fisher, 1906
* ''
Cyclostrema cancellatum''
Marryat, 1818
* ''
Cyclostrema carinatum
''Cyclostrema carinatum'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.Bouchet, P. (2012). ''Cyclostrema carinatum'' H. Adams, 1873. Accessed through: World Register of Marine Species at http://www.marinespecies. ...
''
H. Adams, 1873
* ''
Cyclostrema charmophron''
Melvill, 1906
* ''
Cyclostrema cingulatum''
Philippi, 1853
* ''
Cyclostrema crassiolatum''
Strebel, 1908
* ''
Cyclostrema densilaminata''
Verco, 1907
* ''
Cyclostrema dollfusi''
Dautzenberg & H. Fischer, 1896
* ''
Cyclostrema dunkeri''
Tryon, 1888
* ''
Cyclostrema eumares''
Melvill, 1904
* ''
Cyclostrema eupoietum''
Melvill, 1904
* ''
Cyclostrema exiguum''
Philippi, 1849
* ''
Cyclostrema gyalum''
Melvill, 1904
* ''
Cyclostrema huesonicum
''Cyclostrema huesonicum'', common name the Key West cyclostreme, is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
Description
The height of the shell attains 4.5 mm.
Distribution
This marine species occurs ...
''
(Dall, 1927)
* ''
Cyclostrema lacteum''
Jousseaume, 1872 (status: uncertain - unassessed)
* ''
Cyclostrema marchei''
Jousseaume, 1872
* ''
Cyclostrema ocrinium
''Cyclostrema ocrinium'' is a species of sea snail, a marine (ocean), marine gastropod mollusk in the family (biology), family Liotiidae.Bouchet, P. (2012). ''Cyclostrema ocrinium'' Melvill & Standen, 1901. Accessed through: World Register of Ma ...
''
Melvill & Standen, 1901
* ''
Cyclostrema pentegoniostoma''
Carpenter, 1856: (taxon inquirendum)
* ''
Cyclostrema philippii
''Cyclostrema'' is a genus of sea snails, marine gastropod mollusks in the family Liotiidae.
''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself.
A complete revision of the family Li ...
''
Issel, 1869 (taxon inquirendum)
* ''
Cyclostrema placens''
(Melvill & Standen, 1901)
* ''
Cyclostrema pompholyx''
(Dall, 1889)
* ''
Cyclostrema prominulum''
Melvill & Standen, 1903
* ''
Cyclostrema quadricarinatum''
Melvill & Standen, 1901
* ''
Cyclostrema quinquecarinatum''
Melvill, 1906
* ''
Cyclostrema quinquestriatum
''Cyclostrema quinquestriatum'' is a species of sea snail, a marine gastropod mollusk, in the family Liotiidae
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the ...
''
Melvill, 1912
* ''
Cyclostrema smithi
''Cyclostrema smithi'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastro ...
''
Dautzenberg & Fischer, 1897
* ''
Cyclostrema solariellum''
Melvill, 1893
* ''
Cyclostrema spiculigerum
''Cyclostrema spiculigerum'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
Description
The height of the shell attains 2 mm, its diameter 3 mm. The small, white shell has a depressed discoidal shape an ...
''
Melvill, 1912
* ''
Cyclostrema spirula
''Cyclostrema spirula'' is a species of sea snail, a marine gastropod mollusc in the family Liotiidae.Bouchet, P. (2013). Cyclostrema spirula A. Adams, 1850. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aph ...
''
A. Adams, 1850
* ''
Cyclostrema subexcavatum
''Cyclostrema subexcavatum'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.Rosenberg, G. (2012). ''Cyclostrema subexcavatum''. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aph ...
''
Tryon, 1888
* ''
Cyclostrema supremum
''Cyclostrema supremum'' is a species of sea snail, a marine (ocean), marine gastropod mollusk in the family (biology), family Liotiidae.Bouchet, P. (2012). ''Cyclostrema supremum'' Melvill & Standen, 1903. Accessed through: World Register of Ma ...
''
Melvill & Standen, 1903
* ''
Cyclostrema sykesi''
Dautzenberg & H. Fischer, 1897
* ''
Cyclostrema tortuganum
''Cyclostrema tortuganum'', common name the Tortugas cyclostreme, is a species of sea snail, a marine gastropod mollusc in the family Liotiidae.
Description
The size of the shell varies between 4 mm and 10 mm.
Distribution
This spec ...
''
(Dall, 1927)
* ''
Cyclostrema virginiae
''Cyclostrema virginiae'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
Description
The height of the shell attains 6 mm.
Distribution
This species occurs in the Indian Ocean off Madagascar and Réunion; ...
''
Jousseaume, 1872
The following species are also mentioned in OBIS (the Indo-Pacific Molluscan Database):
* ''
Cyclostrema japonicum
''Cyclostrema japonicum'' is a species of sea snail, a marine gastropod mollusk, in the family Liotiidae
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastr ...
''
Sakurai & Habe, 1977
* ''
Cyclostrema novemcarinatum''
(Melvill, 1906)
* ''
Cyclostrema reeveana
''Cyclostrema'' is a genus of sea snails, marine gastropod mollusks in the family Liotiidae.
''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself.
A complete revision of the family Li ...
''
(Hinds) A. Adams, 1850
* ''
Cyclostrema spinosa
''Cyclostrema spinosa'' is a species of sea snail, a marine gastropod mollusk, in the family Liotiidae
Liotiidae is a family of small sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastrop ...
''
Tenison-Woods, 1877
* ''
Cyclostrema tornata
''Cyclostrema'' is a genus of sea snails, marine gastropod mollusks in the family Liotiidae.
''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself.
A complete revision of the family Li ...
''
A. Adams in Sowerby, 1863
* ''
Cyclostrema torridum
''Cyclostrema'' is a genus of sea snails, marine gastropod mollusks in the family Liotiidae.
''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself.
A complete revision of the family Li ...
''
Hedley, 1909
;Species brought into synonymy:
* ''Cyclostrema affine''
A. E. Verrill, 1884: synonym of ''
Skenea proxima
''Skenea proxima'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Skenea proxima'' (Tryon, 1888). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.ph ...
''
(Tryon, 1888)
* ''Cyclostrema ammonoceras''
A. Adams, 1863: synonym of ''
Munditiella ammonoceras
''Munditiella ammonoceras'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae,.Bouchet, P. (2012). ''Munditiella ammonoceras'' (A. Adams, 1863). Accessed through: World Register of Marine Species at http://www.marines ...
''
(A. Adams, 1863)
* ''Cyclostrema angulatum''
auct. non A. Adams, 1850: synonym of ''
Cyclostremiscus beauii''
(P. Fischer, 1857)
* ''Cyclostrema annellarium''
Melvill & Standen, 1903: synonym of ''
Cyclostrema archeri''
Tryon, 1888
* ''Cyclostrema areolatum''
Sars, 1878: synonym of ''
Skenea areolata''
(Sars, 1878)
* ''Cyclostrema baldridgei''
Bartsch, 1911: synonym of ''
Cyclostremiscus baldridgae
''Cyclostremiscus'' is a genus of small sea snails in the family Tornidae.MolluscaBase eds. (2020). MolluscaBase. Cyclostremiscus Pilsbry & Olsson, 1945. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia ...
''
(Bartsch, 1911)
* ''Cyclostrema bartschi''
Mansfield, 1936: synonym of ''
Cyclostremiscus veleronis''
(A. M. Strong & Hertlein, 1947)
* ''Cyclostrema basistriatum''
Jeffreys, 1877: synonym of ''
Skenea basistriata''
(Jeffreys, 1877)
* ''Cyclostrema bastowi''
Gatliff, 1906: synonym of ''
Orbitestella bastowi''
(Gatliff, 1906)
* ''Cyclostrema bicarinatum''
Guppy, 1866 †: synonym of ''
Cyclostremiscus beauii''
(P. Fischer, 1857)
* ''Cyclostrema biporcata''
A. Adams, 1863: synonym of ''
Pygmaerota biporcata''
(A. Adams, 1863)
* ''Cyclostrema calypso''
Melvill & Standen, 1912: synonym of ''
Brookula calypso''
(Melvill & Standen, 1912)
* ''Cyclostrema cingulatum''
Verrill, 1884: synonym of ''
Rugulina verrilli
''Rugulina verrilli'' is a species of sea snail, a marine gastropod mollusk in the family Pendromidae.Rosenberg, G. (2012). ''Rugulina verrilli'' (Tryon, 1888). Accessed through: World Register of Marine Species at http://www.marinespecies.org/ ...
''
(Tryon, 1888)
* ''Cyclostrema cingulatum''
Dunker, 1859: synonym of ''
Cyclostrema dunkeri''
Tryon, 1888
* ''Cyclostrema cinguliferum''
A. Adams, 1850: synonym of ''
Circulus cingulifera''
(A. Adams, 1850)
* ''Cyclostrema cistronium''
Dall, 1889: synonym of ''
Aorotrema cistronium''
(Dall, 1889)
* ''Cyclostrema coatsianum''
Melvill & Standen, 1912: synonym of ''
Lodderia coatsiana
''Lodderia coatsiana'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2013). Lodderia coatsiana (Melvill & Standen, 1912). Accessed through: World Register of Marine Species at http://www.marinespeci ...
''
(Melvill & Standen, 1912)
* ''Cyclostrema conicum''
Watson, 1886: synonym of ''
Brookula conica
''Brookula conica'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.Rosenberg, G. (2012). ''Brookula conica''. Retrieved through: World Register of Marine Species at http://www.marinespecies.org ...
''
(Watson, 1886)
* ''Cyclostrema cookeanum''
(Dall, 1918): synonym of ''
Macrarene cookeana
''Macrarene cookeana'', common name Miss Cooke's liotia, is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.Rosenberg, G. (2012). ''Macrarene cookeana'' (Dall, 1918). Accessed through: World Register of Marine Species ...
''
(Dall, 1918)
* ''Cyclostrema costulata''
Möller, 1842: synonym of ''
Moelleria costulata''
(Möller, 1842)
* ''Cyclostrema crassicostatum''
Strebel, 1908: synonym of ''
Liotella crassicostata
''Liotella crassicostata'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae,.Rosenberg, G. (2012). ''Liotella crassicostata'' (Strebel, 1908). Accessed through: World Register of Marine Species at http://www.marinesp ...
''
(Strebel, 1908)
* ''Cyclostrema cubanus''
Pilsbry & Aguayo, 1933: synonym of ''
Cyclostremiscus cubanus
''Cyclostremiscus'' is a genus of small sea snails in the Family (biology), family Tornidae.MolluscaBase eds. (2020). MolluscaBase. Cyclostremiscus Pilsbry & Olsson, 1945. Accessed through: World Register of Marine Species at: http://www.marinesp ...
''
(Pilsbry & Aguayo, 1933)
* ''Cyclostrema cubitale''
Hedley, C. 1907: synonym of ''
Cirsonella cubitale''
(Hedley, 1907)
* ''Cyclostrema dalli''
A. E. Verrill, 1882: synonym of ''
Lissospira dalli''
(A. E. Verrill, 1882)
* ''Cyclostrema decussatum''
Pelseneer, 1903: synonym of ''
Brookula decussata
''Brookula decussata'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea.
This species is considered sometimes a synonym of '' Brookula pfefferi'' Powell, A.W.B., 1951, but B. decussata is somewha ...
''
(Pelseneer, 1903)
* ''Cyclostrema diaphanum''
A. E. Verrill, 1884: synonym of ''
Skenea diaphana
''Skenea diaphana'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.
Description
The size of the shell attains 2.5 mm.
The thin shell is narrowly umbilicated. It has a depressed trochiform shape. It is translu ...
''
(A. E. Verrill, 1884)
* ''Cyclostrema elegans''
A. Adams, 1850: synonym of ''
Adeorbis elegans''
(A. Adams, 1850)
* ''Cyclostrema euchilopteron''
Melvill & Standen, 1903: synonym of ''
Lydiphnis euchilopteron''
(Melvill & Standen, 1903)
* ''Cyclostrema fluctuatum''
Hedley, 1899: synonym of ''
Argalista fluctuata''
(Hutton, 1883)
* ''Cyclostrema fulgidum''
auct. non Jeffreys, 1883: synonym of ''
Lissospira dalli''
(A. E. Verrill, 1882)
* ''Cyclostrema funnazzense''
de Gregorio, 1889: synonym of ''
Cirsonella romettensis
''Cirsonella romettensis'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.
Description
The size of the shell varies between 1.1 mm and 2.6 mm.
Distribution
This species occurs in the Mediterranean Sea ...
''
(Granata-Grillo, 1877)
* ''Cyclostrema fuscopiperata''
Turton, 1932: synonym of ''
Peasiella fuscopiperata''
(Turton, 1932)
* ''Cyclostrema gaudens''
Melvill & Standen, 1912: synonym of ''
Munditia gaudens
''Munditia gaudens'' is a species of sea snail, a marine gastropod mollusk in the family Liotiidae.
Description
The height of the shell attains 1 mm. The small, white shell is deeply umbilicated. It has a depressed discoidal shape with a ...
''
(Melvill & Standen, 1912)
* ''Cyclostrema granulatum''
A. Adams, 1853: synonym of ''
Cinysca granulata
''Cinysca granulata'' is a species of sea snail, a marine gastropod mollusk in the family Areneidae.Bouchet, P. (2012). ''Cinysca granulata'' (A. Adams, 1853). Accessed through: World Register of Marine Species
The World Register of Marine Sp ...
''
(A. Adams, 1853)
* ''Cyclostrema granulum''
Dall, 1889: synonym of ''
Parviturbo granulum''
(Dall, 1889)
* ''Cyclostrema gravieri''
Lamy, 1909: synonym of ''
Ethminolia gravieri''
(Lamy, 1909)
* ''Cyclostrema henjamense''
Melvill & Standen, 1903: synonym of ''
Pseudoliotia henjamensis''
(Melvill & Standen, 1903)
* ''Cyclostrema humile''
Pelseneer, 1903: synonym of ''
Lissotesta humilis
''Lissotesta'' is a genus of minute sea snails or micromolluscs, Marine (ocean), marine gastropod molluscs, unassigned in the superfamily (biology), superfamily Seguenzioidea.Rosenberg, G.; Gofas, S. (2012). Lissotesta. Accessed through: World R ...
''
(Pelseneer, 1903)
* ''Cyclostrema iheringi''
Dautzenberg & H. Fischer, 1897: synonym of ''
Retigyra iheringi
''Retigyra iheringi'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Description
Distribution
This species occurs in the Atlantic Ocean off the Azores
)
, motto =( en, "Rather die free ...
''
(Dautzenberg & H. Fischer, 1897)
* ''Cyclostrema immaculata''
Tenison-Woods, 1877: synonym of ''
Munditia subquadrata
''Munditia subquadrata'', common name the squared munditia, is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.Marshall, B. (2013). ''Munditia subquadrata'' (Tenison Woods, 1878). Retrieved through: World Regist ...
''
(Tenison-Woods, 1878)
* ''Cyclostrema jaffaensis''
Verco, 1909: synonym of ''
Eudaronia jaffaensis
''Eudaronia jaffaensis'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.Bouchet, P. (2012). ''Eudaronia jaffaensis'' (Verco, 1909). Retrieved through: World Register of Marine Species
The Wo ...
''
(Verco, 1909)
* ''Cyclostrema laevigatum''
Friele, 1874: synonym of ''
Skenea trochoides''
(Friele, 1874)
* ''Cyclostrema laeve''
(Kiener, 1838): synonym of ''
Pygmaeorota laevis''
(Kiener, 1838)
* ''Cyclostrema laevis''
ic: synonym of ''
Pygmaeorota laevis''
(Kiener, 1838)
* ''Cyclostrema limatum''
Dall, 1889: synonym of ''
Granigyra limata''
(Dall, 1889)
* ''Cyclostrema liratulum''
Pelseneer, 1903: synonym of ''
Lissotesta liratula
''Lissotesta liratula'' is a species of sea snail, a marine gastropod mollusk in the superfamily Seguenzioidea.
Description
The height of the shell attains 1.1 mm.
Distribution
This species is found in Antarctic waters: Weddell Sea, Be ...
''
(Pelseneer, 1903)
* ''Cyclostrema meridionale''
Melvill & Standen, 1912: synonym of ''
Munditia meridionalis
''Munditia meridionalis'' is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.Bouchet, P. (2013). ''Munditia meridionalis'' (Melvill & Standen, 1912). Retrieved through: World Register of Marine Species at http: ...
''
(Melvill & Standen, 1912)
* ''Cyclostrema messanensis''
Seguenza, 1876: synonym of ''
Moelleriopsis messanensis
''Moelleriopsis messanensis'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea.
Description
The size of the shell varies between 1.6 mm and 2.4 mm.
Distribution
This species occurs in ...
''
(Seguenza, 1876)
* ''Cyclostrema micans''
A. Adams, 1850:
synonym of ''
Pseudoliotia micans
''Pseudoliotia'' is a genus of sea snails, marine gastropod mollusks in the family Tornidae within the superfamily Truncatelloidea.Bouchet, P. (2013). Pseudoliotia Tate, 1898. In: MolluscaBase (2016). Accessed through: World Register of Marin ...
''
(A. Adams, 1850)
* ''Cyclostrema micra''
Tenison-Woods, 1876: synonym of ''
Lissotesta micra
''Lissotesta micra'', common name the tiny false top shell'','' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Description
The shell grows to a height of 1.3 mm.
Distribution
This mari ...
''
(Tenison-Woods, 1876)
* ''Cyclostrema militare''
Jousseaume, 1872: synonym of ''
Cochliolepis militaris''
(Jousseaume, 1872)
* ''Cyclostrema millipunctatum''
Friele, 1886: synonym of ''
Retigyra millipunctata
''Retigyra millipunctata'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Description
The shell grows to a height of 2 mm.
Distribution
This marine species occurs off Greenland, Icela ...
''
(Friele, 1886)
* ''Cyclostrema minutum''
Jeffreys, 1883: synonym of ''
Firoloida desmarestia''
Lesueur, 1817
* ''Cyclostrema monterosatoi''
Ancey, 1898: synonym of ''
Skenea catenoides
''Skenea catenoides'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.
Description
The size of the shell attains 1.1 mm. The shell is widely umbilicated, closely spirally striated throughout, with several spir ...
''
(Monterosato, 1877)
* ''Cyclostrema nivea''
ic: synonym of ''
Tubiola nivea''
(Gmelin, 1791)
* ''Cyclostrema normani''
Dautzenberg & H. Fischer, 1897: synonym of ''
Moelleriopsis normani
''Moelleriopsis normani'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea.
Description
Distribution
This species occurs in the Atlantic Ocean off the Azores
)
, motto =( en, "Rather die fre ...
'' (Dautzenberg & H. Fischer, 1897)
* ''Cyclostrema ocrinium''
Melvill & Standen, 1901: misspelling of ''
Cyclostrema ocrinum''
Melvill & Standen, 1901
* ''Cyclostrema ornatum''
A. E. Verrill, 1884: synonym of ''
Lissospira ornata
''Lissospira ornata'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Lissospira ornata'' (A. E. Verrill, 1884). Accessed through: World Register of Marine Species at http://www.marinespecies ...
''
(A. E. Verrill, 1884)
* ''Cyclostrema pentagonum''
Gabb, 1873: synonym of ''
Cyclostremiscus pentagonus
''Cyclostremiscus'' is a genus of small sea snails in the family Tornidae.MolluscaBase eds. (2020). MolluscaBase. Cyclostremiscus Pilsbry & Olsson, 1945. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.ph ...
''
(Gabb, 1873)
* ''Cyclostrema peterseni''
Friele, 1877: synonym of ''
Skenea peterseni
''Skenea peterseni'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.
Description
(Original description by Herman Friele) The height of the shell attains 2.5 mm, its diameter 2.3 mm. The shell has a somew ...
''
(Friele, 1877)
* ''Cyclostrema plana''
A. Adams, 1850: synonym of ''
Sigaretornus planus''
(A. Adams, 1850)
* ''Cyclostrema planorbis''
Dall, 1927: synonym of ''
Palazzia planorbis
''Palazzia planorbis'' is a species of sea snail, a marine gastropod mollusk, unassigned in the superfamily Seguenzioidea.
Description
The size of the shell varies between 0.8 mm and 2.2 mm.
Distribution
This species occurs in the ...
''
(Dall, 1927)
* ''Cyclostrema planulata''
G. B. Sowerby III, 1892: synonym of ''
Cochliolepis planulata''
(G.B. Sowerby III, 1892) (original combination)
* ''Cyclostrema ponsonbyi''
Dautzenberg & H. Fischer, 1897: synonym of ''
Skenea ponsonbyi
''Skenea ponsonbyi'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae
The Skeneidae are a speciose family of minute to small marine gastropod molluscs in the superfamily Trochoidea.Bouchet, P.; Gofas, S. (2013). ...
''
(Dautzenberg & H. Fischer, 1897)
* ''Cyclostrema pontogenes''
Schwengel & McGinty, 1942: synonym of ''
Aorotrema pontogenes
''Aorotrema'' is a genus of sea snails, marine gastropod mollusks in the family Tornidae within the superfamily Truncatelloidea.Bouchet, P. (2013). ''Aorotrema'' Schwengel & McGinty, 1942. Accessed through: World Register of Marine Species at h ...
''
(Schwengel & McGinty, 1942)
* ''Cyclostrema proximum''
Tryon, 1888: synonym of ''
Skenea proxima
''Skenea proxima'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Skenea proxima'' (Tryon, 1888). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.ph ...
''
(Tryon, 1888)
* ''Cyclostrema richardi''
Dautzenberg & H. Fischer, 1896: synonym of ''
Moelleriopsis richardi
''Moelleriopsis richardi'' is a species of sea snail, a marine gastropod mollusk unassigned in the superfamily Seguenzioidea.
Description
Distribution
This species occurs in the Atlantic Ocean at bathyal depths off the Azores
)
, motto =( ...
''
(Dautzenberg & H. Fischer, 1896)
* ''Cyclostrema rotundata''
G.B. Sowerby III, 1892: synonym of ''
Homalopoma rotundatum
''Homalopoma rotundatum'' is a species of sea snail, a marine gastropod mollusc in the family Colloniidae
Colloniidae is a family of small sea snails with calcareous opercula, marine gastropod mollusks in the clade Vetigastropoda.MolluscaBas ...
''
(G.B. Sowerby III, 1892)
* ''Cyclostrema rugulosa''
Sars, 1878: synonym of ''
Skenea rugulosa''
(Sars, 1878)
* ''Cyclostrema sanibelense''
Pilsbry, 1939: synonym of ''
Parviturboides interruptus
''Parviturboides'' is a genus of gastropods belonging to the family Tornidae
Tornidae is a family of very small and minute sea snails with an operculum, marine gastropod mollusks in the clade Littorinimorpha. This family used to be known as ...
''
(C. B. Adams, 1850)
* ''Cyclostrema schrammii''
P. Fischer, 1857: synonym of ''
Tornus schrammii
Tornus may refer to:
* Tornus (insect anatomy)
This glossary of entomology describes terms used in the formal study of insect species by entomologists.
A–C
A synthetic chlorinated hydroca ...
''
(P. Fischer, 1857)
* ''Cyclostrema sculptile''
Garrett, 1874: synonym of ''
Circulus marchei
Circulus may refer to:
* ''Circulus'' (album), 1970, by Chick Corea
*Circulus (band), a British psychedelic folk and progressive rock band
* ''Circulus'' (gastropod), a genus of sea snails
*Circulus (theory), a socioeconomics doctrine
*Circulus (z ...
''
Jousseaume, 1872
* ''Cyclostrema semisculptum''
Martens, 1904: synonym of ''
Spectamen semisculptum
''Zetela semisculpta'' is a species of sea snail, a marine gastropod mollusk, in the family Solariellidae.MolluscaBase (2018). ''Zetela semisculpta'' (Martens, 1904). Accessed through: World Register of Marine Species at: http://www.marinespecies ...
''
(Martens, 1904)
* ''Cyclostrema subdisjuncta''
H. Adams, 1868: synonym of ''
Fossarella subdisjuncta''
(H. Adams, 1868)
* ''Cyclostrema sulcatum''
Watson, 1886: synonym of ''
Moelleriopsis watsoni''
(Tryon, 1888)
* ''Cyclostrema susonis''
Tenison-Woods, 1877: synonym of ''
Cirsonella weldii
''Cirsonella weldii'', common name the shiny liotia, is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Cirsonella weldii'' (Tenison-Woods, 1877). Accessed through: World Register of Marine Spec ...
''
(Tenison-Woods, 1877)
* ''Cyclostrema thomasi''
Pilsbry, 1945: synonym of ''
Vitrinella solaris
''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 ...
''
Rubio, Fernández-Garcés & Rolán, 2011
* ''Cyclostrema tricarinata''
E.A. Smith, 1871: synonym of ''
Circulus smithi''
Bush, 1897
* ''Cyclostrema trochoides''
auct. non Friele, 1876: synonym of ''
Lissospira dalli''
(A. E. Verrill, 1882)
* ''Cyclostrema trochoides''
Friele, 1874: synonym of ''
Skenea trochoides''
(Friele, 1874)
* ''Cyclostrema turbinum''
Dall, 1889: synonym of ''
Haplocochlias turbinus''
(Dall, 1889)
* ''Cyclostrema turgidum''
Odhner, 1912: synonym of ''
Lissospira turgida
''Skenea turgida'' is a species of sea snail, a marine gastropod mollusk in the family Skeneidae
The Skeneidae are a speciose family of minute to small marine gastropod molluscs in the superfamily Trochoidea.Bouchet, P.; Gofas, S. (2013). Sk ...
''
(Odhner, 1912)
* ''Cyclostrema valvatoides''
Jeffreys, 1883: synonym of ''
Moelleriopsis valvatoides''
(Jeffreys, 1883)
* ''Cyclostrema verrilli''
Tryon, 1888: synonym of ''
Rugulina verrilli
''Rugulina verrilli'' is a species of sea snail, a marine gastropod mollusk in the family Pendromidae.Rosenberg, G. (2012). ''Rugulina verrilli'' (Tryon, 1888). Accessed through: World Register of Marine Species at http://www.marinespecies.org/ ...
''
(Tryon, 1888)
* ''Cyclostrema watsoni''
Tryon, 1888: synonym of ''
Moelleriopsis watsoni''
(Tryon, 1888)
* ''Cyclostrema weldii''
Tenison-Woods, 1877: synonym of ''
Cirsonella weldii
''Cirsonella weldii'', common name the shiny liotia, is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2012). ''Cirsonella weldii'' (Tenison-Woods, 1877). Accessed through: World Register of Marine Spec ...
''
(Tenison-Woods, 1877)
* ''Cyclostrema willei''
Friele, 1886: synonym of ''
Skenea basistriata''
(Jeffreys, 1877)
* ''Cyclostrema zacalles''
Mazÿck, 1913: synonym of ''
Parviturboides interruptus
''Parviturboides'' is a genus of gastropods belonging to the family Tornidae
Tornidae is a family of very small and minute sea snails with an operculum, marine gastropod mollusks in the clade Littorinimorpha. This family used to be known as ...
''
(C. B. Adams, 1850)
* ''Cyclostrema (Tubiola) cornuella''
(A. Adams, 1860): synonym of ''
Tubiola cornuella''
(A. Adams, 1860)
* ''Cyclostrema (Tubiola) nivea''
ic: synonym of ''
Tubiola nivea''
(Gmelin, 1791)
References
* Abbott, R. T. 1950. The genus ''Cyclostrema'' in the western Atlantic. Johnsonia 1(27): 193-200
* Trew, A., 1984. ''The Melvill-Tomlin Collection. Part 30. Trochacea. Handlists of the Molluscan Collections in the Department of Zoology'', National Museum of Wales
External links
Kathleen M. White, The anatomy of Cyclostrema, Journal of Molluscan studies 3:25 pp. 89-94
{{Commonscat
Liotiidae
Gastropod genera