Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Caenogastropoda
Ordo: Littorinimorpha
Superfamilia: Truncatelloidea
Familia: Vitrinellidae
Genus: Circulus
Circulus is a genus of very small and minute sea snails with an operculum, marine gastropod mollusks in the family Vitrinellidae. [2]
Species
According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Circulus [3]
Circulus abruptus Rubio & Rolán, 2022
Circulus acuteliratus (Thiele, 1925)
Circulus adrianrubioi Rubio & Rolán, 2022
Circulus aequatorialis (Thiele, 1925)
Circulus alcocerae Rubio & Rolán, 2022
Circulus andreae Rubio & Rolán, 2022
Circulus andreiasalvadorae Rubio & Rolán, 2022
Circulus angulatus (A. Adams, 1850)
Circulus antoniae Rubio & Rolán, 2022
Circulus asperRubio & Rolán, 2022
Circulus austerus Rubio & Rolán, 2022
Circulus australesensisRubio & Rolán, 2022
Circulus aximicrostriatus Rubio & Rolán, 2022
Circulus basislevis Rubio & Rolán, 2022
† Circulus bicarinatus (Lamarck, 1804)
Circulus binodular Rubio & Rolán, 2022
Circulus biporcatus (A. Adams, 1863)
† Circulus bonneti (Cossmann, 1907)
Circulus boucheti Rubio & Rolán, 2022
Circulus cachoi Rubio & Rolán, 2022
Circulus caledonicus Rubio & Rolán, 2022
Circulus carinamagna Rubio & Rolán, 2022
Circulus carmensalasae Rubio & Rolán, 2022
Circulus catenatus Rubio & Rolán, 2022
Circulus chefyae Rubio & Rolán, 2022
Circulus choshiensis (Habe, 1961)
Circulus cinguliferus (A. Adams, 1850)
Circulus colluvius Rubio & Rolán, 2022
Circulus communis Rubio & Rolán, 2022
Circulus congoensis (Thiele, 1925)
Circulus convexstriatus Rubio & Rolán, 2022
Circulus convexus Rubio & Rolán, 2022
Circulus coronatus Rubio & Rolán, 2022
Circulus cosmius Bartsch, 1907
Circulus cuatricarinatus Rubio & Rolán, 2022
Circulus cultrorum Rubio & Rolán, 2022
Circulus cumtectum Rubio & Rolán, 2022
Circulus cycloma (Barnard, 1964)
Circulus davidruedai Rubio & Rolán, 2022
Circulus decemcords Rubio & Rolán, 2022
Circulus delectabilis (Tate, 1899)
Circulus delicatus Rubio & Rolán, 2022
Circulus depressus Rubio & Rolán, 2022
Circulus deprinsi Rolán & Swinnen, 2013
Circulus diaphanus (Finlay, 1924)
Circulus discordant Rubio & Rolán, 2022
Circulus discretus Rubio & Rolán, 2022
Circulus dispersus Rubio & Rolán, 2022
† Circulus duplicarinus (Marwick, 1929)
Circulus duplicatus (Lischke, 1872)
† Circulus edomitus (Marwick, 1931)
Circulus ellenstrongae Rubio & Rolán, 2022
† Circulus enaulus Lozouet, 1998
† Circulus estotensis Lozouet, 1998
Circulus euchilopteron (Melvill & Standen, 1903)
Circulus excellent Rubio & Rolán, 2022
Circulus exempli Rubio & Rolán, 2022
Circulus extensus Rubio & Rolán, 2022
Circulus fijiensis Rubio & Rolán, 2022
Circulus fininspicor Rubio & Rolán, 2022
Circulus fundatus Rubio & Rolán, 2022
Circulus gofasi Rubio & Rolán, 2022
Circulus gracilis Rubio & Rolán, 2022
† Circulus grignonensis (Deshayes, 1864)
Circulus gyalum (Melvill, 1904)
Circulus harriettae (Petterd, 1884)
Circulus harrietwoodae Rubio & Rolán, 2022
Circulus hasegawai Rubio & Rolán, 2022
† Circulus helicoides (Hutton, 1877)
Circulus horroi Rubio & Rolán, 2022
Circulus inchoatus Rubio & Rolán, 2022
Circulus inesae Rubio & Rolán, 2022
† Circulus inornatus P. Marshall, 1919
† Circulus intermedius (Deshayes, 1862)
Circulus irregularis Rubio & Rolán, 2022
Circulus iustus Rubio & Rolán, 2022
Circulus juanmai Rubio & Rolán, 2022
Circulus juantrigoi Rubio & Rolán, 2022
Circulus julioalvarezi Rubio & Rolán, 2022
Circulus laevis (Kiener, 1838)
Circulus lenticularis Rubio & Rolán, 2022
Circulus letourneuxi Rubio & Rolán, 2022
Circulus liratus (A. E. Verrill, 1882)
Circulus liricinctus (Garrett, 1873)
Circulus loyaltiensis Rubio & Rolán, 2022
Circulus luciae Rubio & Rolán, 2022
† Circulus lucidus (Cossmann, 1881)
Circulus luquei Rubio & Rolán, 2022
Circulus madagascarensis Rubio & Rolán, 2022
Circulus maestrati Rubio & Rolán, 2022
Circulus marchei (Jousseaume, 1872)
Circulus marcosi Rubio & Rolán, 2022
Circulus maricarmenae Rubio & Rolán, 2022
Circulus marquesasensis Rubio & Rolán, 2022
Circulus mayottensis Rubio & Rolán, 2022
† Circulus megalomphalus (Cossmann, 1919)
† Circulus michaudi (Deshayes, 1862)
Circulus microbliquus Rubio & Rolán, 2022
Circulus microlines Rubio & Rolán, 2022
Circulus micronodular Rubio & Rolán, 2022
Circulus microradiatus Rubio & Rolán, 2022
Circulus microsculpturatus Oliver & Rolán, 2011
Circulus microspiralis Rubio & Rolán, 2022
Circulus microstriatus Rubio & Rolán, 2022
Circulus microtuberculatus Rubio & Rolán, 2022
Circulus minituber Rubio & Rolán, 2022
Circulus minutispiralis Rubio & Rolán, 2022
† Circulus mitis (Deshayes, 1862)
Circulus modestus (Gould, 1859)
Circulus monocoronatus Rubio & Rolán, 2022
Circulus monteiroi Rubio & Rolán, 2022
Circulus mortoni Ponder, 1994
Circulus mozambiquensis Rubio & Rolán, 2022
Circulus multicordatus Rubio & Rolán, 2022
Circulus multiradiatus Rubio & Rolán, 2022
Circulus multistriatus Rubio & Rolán, 2022
Circulus murilloi Rubio & Rolán, 2022
Circulus nimis Rubio & Rolán, 2022
† Circulus nitidus (Deshayes, 1862)
Circulus novemcarinatus (Melvill, 1906)
Circulus novemlicium Rubio & Rolán, 2022
Circulus obesus Rubio & Rolán, 2022
Circulus octoliratus (Carpenter, 1856)
Circulus oliveri Rubio & Rolán, 2022
Circulus operius Rubio & Rolán, 2022
Circulus orbignyi (P. Fischer, 1857)
Circulus ordinatus Rubio & Rolán, 2022
Circulus osfloridum Rubio & Rolán, 2022
Circulus osingens Rubio & Rolán, 2022
Circulus osmagnum Rubio & Rolán, 2022
Circulus pamilacanensis Rubio & Rolán, 2022
Circulus papuaensis Rubio & Rolán, 2022
Circulus parallelus Rubio & Rolán, 2022
Circulus parcus Rubio & Rolán, 2022
Circulus paucicordatus Rubio & Rolán, 2022
† Circulus paulensis Lozouet, 1998
Circulus pellucidus (E. A. Smith, 1910)
Circulus penasi Rubio & Rolán, 2022
Circulus philippinensis Rubio & Rolán, 2022
Circulus pilartarazonae Rubio & Rolán, 2022
Circulus pinsensis Rubio & Rolán, 2022
Circulus planatus Rubio & Rolán, 2022
† Circulus planorbillus (Dujardin, 1837)
Circulus planorbis (Laseron, 1958)
† Circulus planorbularis (Deshayes, 1832)
Circulus pluripunctus Rubio & Rolán, 2022
Circulus plurispiralis Rubio & Rolán, 2022
† Circulus politus Suter, 1917 (accepted > unreplaced junior homonym, secondary homonym of Circulus politus (Morlet, 1888))
† Circulus politus (Morlet, 1888)
Circulus protobrevis Rubio & Rolán, 2022
Circulus prototuber Rubio & Rolán, 2022
Circulus proximus Rubio & Rolán, 2022
Circulus pseudocarinatus Rubio & Rolán, 2022
Circulus pseudopraecedens Adam & Knudsen, 1969
Circulus pudicus Rubio & Rolán, 2022
Circulus punctuslinealis Rubio & Rolán, 2022
Circulus quinoneroi Rubio & Rolán, 2022
Circulus quinquecarinatus (Melvill, 1906)
† Circulus rangii (Deshayes, 1862)
Circulus retroconvexus Rubio & Rolán, 2022
Circulus reunionensis Rubio & Rolán, 2022
Circulus robustus Rubio & Rolán, 2022
Circulus rolanorum Rubio & Rolán, 2022
Circulus rosapereirae Rubio & Rolán, 2022
Circulus rosenbergi Rubio & Rolán, 2022
Circulus rossellinus Dall, 1919
Circulus rudis Rubio & Rolán, 2022
Circulus rugospiralis Rubio & Rolán, 2022
Circulus rusticulus Rubio & Rolán, 2022
Circulus rusticus Rubio & Rolán, 2022
Circulus ryalli Oliver & Rolán, 2011
Circulus sandrogorii Rubio & Rolán, 2022
Circulus scaber Rubio & Rolán, 2022
Circulus sculptilis (Garrett, 1873)
Circulus sculpturatus Rubio & Rolán, 2022
Circulus semisculptus (Olsson & McGinty, 1958)
† Circulus semistriatus (Deshayes, 1862)
Circulus senegalensis Adam & Knudsen, 1969
Circulus serratus Rubio & Rolán, 2022
Circulus sexangulae Rubio & Rolán, 2022
† Circulus sigaretornuformis Lozouet, 1998
† Circulus similis (Deshayes, 1862)
Circulus similiter Rubio & Rolán, 2022
Circulus simongrovei Rubio & Rolán, 2022
† Circulus simplex (Briart & Cornet, 1887)
Circulus simpliciter Rubio & Rolán, 2022
Circulus sixcarinatus Rubio & Rolán, 2022
Circulus smithi Bush, 1897
Circulus societyensis Rubio & Rolán, 2022
Circulus solomonensis Rubio & Rolán, 2022
Circulus soyoae (Habe, 1961)
Circulus speciosus Rubio & Rolán, 2022
Circulus spiralis Rubio & Rolán, 2022
† Circulus spirorbis (Lamarck, 1804)
Circulus stephani Rolán & Ryall, 2002
Circulus striatus (Philippi, 1836)
Circulus structus Rubio & Rolán, 2022
Circulus suavis Rubio & Rolán, 2022
† Circulus subcirculus (Cossmann & Peyrot, 1917)
† Circulus subedomitus (Laws, 1936)
Circulus subradiatus Rubio & Rolán, 2022
Circulus subsuturalis Rubio & Rolán, 2022
Circulus subtatei (Suter, 1907)
Circulus sulcatus (A. Adams, 1850)
Circulus supranitidus (Wood S., 1848)
Circulus susomendezi Rubio & Rolán, 2022
Circulus suspensus Rubio & Rolán, 2022
Circulus suturcaten Rubio & Rolán, 2022
Circulus taiwanensis Rubio & Rolán, 2022
Circulus tatei (Angas, 1879)
Circulus templadoi Rubio & Rolán, 2022
† Circulus tenuiliratus (Cossmann, 1915)
Circulus tenuiradiatus Rubio & Rolán, 2022
† Circulus tenuistriatus (Deshayes, 1862)
Circulus teramachii (Habe, 1958)
Circulus texanus (Moore, 1965)
Circulus tongaensis Rubio & Rolán, 2022
Circulus transculptus (Laseron, 1958)
Circulus troncosoi Rubio & Rolán, 2022
Circulus tuberopertus Rubio & Rolán, 2022
Circulus umbilicordatus Rubio & Rolán, 2022
† Circulus unicarinus (Laws, 1940)
Circulus urgorrii Rubio & Rolán, 2022
Circulus valdesculpturatus Rubio & Rolán, 2022
Circulus vanuatuensis Rubio & Rolán, 2022
Circulus venustus (Hedley, 1901)
Circulus victormonzoi Rubio & Rolán, 2022
Circulus villacampae Rubio & Rolán, 2022
Circulus virginiae (Jousseaume, 1872)
Circulus virginieherosae Rubio & Rolán, 2022
The Indo-Pacific Molluscan Database also mentions the following species with names in current use :[1]
Circulus callusa (Laseron, 1958)
Circulus pachyston (Verco, 1907)
Species brought into synonymy
Circulus bailyi Hertlein & A. M. Strong, 1951: synonym of Cyclostremiscus bailyi (Hertlein & A. M. Strong, 1951)
Circulus biporcata [sic]: synonym of Circulus biporcatus (A. Adams, 1863)
Circulus carinulatus Locard, 1889: synonym of Circulus striatus (Philippi, 1836)
Circulus cerrosensis Bartsch, 1907 accepted as Cyclostremiscus cerrosensis (Bartsch, 1907)
Circulus cingulatus Bartrum, 1919 † accepted as Pterolabrella cingulata (Bartrum, 1919) †
Circulus costulatus Locard, 1889: synonym of Circulus striatus (Philippi, 1836)
Circulus cubanus Pilsbry & Aguayo, 1933: synonym of Cyclostremiscus cubanus (Pilsbry & Aguayo, 1933)
Circulus dalli Bush, 1897: synonym of Cyclostremiscus dalli (Bush, 1897)
Circulus delectabile (Tate, 1899) accepted as Circulus delectabilis (Tate, 1899) (unaccepted > incorrect grammatical agreement of specific epithet)
Circulus diomedeae Bartsch, 1911 accepted as Cyclostremiscus diomedeae (Bartsch, 1911)
Circulus formosissimus Brugnone, 1873: synonym of Skeneoides jeffreysii (Monterosato, 1872)
Circulus hendersoni (Dall, 1927): synonym of Cyclostremiscus hendersoni (Dall, 1927)
Circulus jeffreysii Monterosato, 1872: synonym of Skeneoides jeffreysii (Monterosato, 1872)
Circulus madreensis F. Baker, Hanna & A. M. Strong, 1938 accepted as Cyclostremiscus madreensis (F. Baker, Hanna & A. M. Strong, 1938)
Circulus margaritiformis (Dall, 1927): synonym of Cirsonella margaritiformis (Dall, 1927)
Circulus modesta [sic]: synonym of Circulus modestus (Gould, 1859)
Circulus nicholsoni A. M. Strong & Hertlein, 1939 accepted as Episcynia nicholsoni (A. M. Strong & Hertlein, 1939)
Circulus perlatus Pelseneer, 1903 accepted as Orbitestella perlata (Pelseneer, 1903) (original combination)
Circulus sarsi (Bush, 1897) accepted as Orbitestella sarsi (Bush, 1897)
Circulus stirophorus M. Smith, 1937: synonym of Cyclostremiscus beauii (P. Fischer, 1857)
* Circulus taigai Hertlein & A. M. Strong, 1951 accepted as Cyclostremiscus taigai (Hertlein & A. M. Strong, 1951)
Circulus tornata [sic]: synonym of Circulus tornatus'' (A. Adams, 1864)
Circulus tornatus (A. Adams, 1864): synonym of Tuberes tornatus (A. Adams, 1864) (unaccepted > superseded combination)
Circulus translucens (Dall, 1927): synonym of Xyloskenea translucens (Dall, 1927)
Circulus tricarinatus (Wood S., 1848): synonym of accepted as Circulus striatus (Philippi, 1836)
References
OBIS : Circulus
MolluscaBase eds. (2020). MolluscaBase. Circulus Jeffreys, 1865. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=137626 on 2020-08-15
WoRMS : Circulus; accessed : 11 July 2011
Kuroda T. & Habe T. 1952. Check list and bibliography of the Recent marine Mollusca of Japan. Leo W. Stach, Tokyo. 210 pp
Habe, T. (1961). Descriptions of fifteen new species of Japanese shells. Venus. 21(4): 416-431.
Oliver, J. & Rolan, E., 2011. The family Tornidae (Gsatropoda: Rissooidea) in the East Atlantic, 2. Circulinae. Iberus 29(1): 9-33
Rubio, F. & Rolán, E. (2022). New species of Vitrinellidae (Gastropoda: Truncatelloidea) from the Indo-Pacific. The genus Circulus Jeffreys, 1865. Museo de Historia Natural, Universidad Santiago de Compostela. 422 pp.
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