Classification of the family Retusidae
Fm. Retusidae Thiele 1925
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G. Retusa Brown 1827
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Subg. Retusa (Coleophysis) Fischer 1883
Subg. Retusa (Cylichnina) Monterasato 1884
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†Cylichnina coelata Deshayes 1862
†Cylichnina tantilla Anderson and Hanna 1925
†Cylichnina turneri Effinger 1938
†Retusa (Cylichnina) aequiattenuata Eames 1952
†Retusa (Cylichnina) conutus Deshayes 1824
†Retusa (Cylichnina) marylandica Martin 1904
†Retusa (Cylichnina) subspissa Conrad 1848
Retusa bizona Adams 1850
†Retusa claibornensis Aldrich 1911
Retusa obtusa Montagu 1808
†Retusa recta Eames 1952
†Retusa truncatula Bruguiere 1792
†Retusa yaquensis Maury 1917
G. Sulcoretusa Burch 1945
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†Sulcoretusa israelskyi Addicott 1970
Sulcoretusa sulcata d'Orbigny 1841
†Sulcoretusa sulcata lipara Woodring 1928
G. Volvulella Newton 1891
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Subg. Volvulella (Paravolvulella) Harry 1967
Subg. Volvulella (Volvulella) Newton 1891
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†Volvulella (Volvulella) micratracta Brown and Pilsbry 1913
Volvulella (Volvulella) oxytata Bush 1885
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Invalid names: Volvula cercadensis Van Winkle 1921 [synonym], Volvula cylindrica Gabb 1873 [synonym]
†Volvulella (Volvulella) phonicoides Gardner 1938
†Volvulella cannada Ihering 1907
Volvulella cylindrica Carpenter 1865
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†Volvulella (Volvulella) cylindrica parrallela Pilsbry 1917
Invalid names: Volvulella cooperi Dall 1919 [synonym]
†Volvulella gluma Keen 1943
†Volvulella joaquinensis Addicott 1970
†Volvulella meyer Cossman 1893
†Volvulella oxyacrum Cossmann 1889
Volvulella persimilis Mörch 1875