According to the
World Register of Marine Species (WoRMS), the following species with valid names are included within the genus
Circulus •
Circulus abruptus Rubio & Rolán, 2022 •
Circulus acuteliratus (Thiele, 1925) •
Circulus adrianrubioi Rubio & Rolán, 2022 •
Circulus aemilii Rubio & Gofas, 2024 •
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 pacomartinezi Rubio & Rolán, 2023 •
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 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 •
Circulus xuae L.-W. Lin & Rolán, 2024 The Indo-Pacific Molluscan Database also mentions the following species with names in current use : •
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 philippinensis Rubio & Rolán, 2022: synonym of
Circulus pacomartinezi Rubio & Rolán, 2023 (junior homonym, invalid: secondary junior homonym of
Circulus philippinensis (Shuto, 1969);
C. pacomartinezi is a replacement name) •
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==