RETUSIDAE |
 Retusa agulhasensis |
 Retusa apicina |
 Retusa bizonata |
 Retusa constricta |
 Retusa desgenettii |
 Retusa leptoeneilema |
 Retusa longispirata |
 Retusa obtusa obtusa |
 Retusa oyamai |
 Retusa semen |
 Retusa tarutana |
 Retusa (Coleophysis) concentrica |
 Retusa (Coleophysis) minima |
 Retusa (Coleophysis) truncatella |
 Retusa (Coleophysis) truncatula |
 Retusa (Decorifer) insignis |
 Retusa (Decorifer) pelyx |
 Cylichnina girardi |
 Cylichnina laevisculpta |
 Cylichnina multiquadrata |
 Cylichnina robagliana |
 Cylichnina subcylindrica subcylindrica |
 Cylichnina subcylindrica crebrisculpta |
 Cylichnina umbilicata |
 Mamilloretusa mammillata |
 Pyrunculus caelatus |
 Pyrunculus fournieri |
 Pyrunculus hoernesii |
 Pyrunculus nitidus |
 Pyrunculus ovatus |
 Pyrunculus pyriformis pyriformis |
 Pyrunculus pyriformis obesus |
 Rhizorus acuminatus |
 Rhizorus ovulinus |
 Rhizorus radiolus |
 Semiretusa tornata |
 Volvula mutabilis |
 Volvulella acuminata |
 Volvulella cylindrica |
 Volvulella eburnea |
 Volvulella fortis |
 Volvulella kinokuniana |
 Volvulella ovalina |
 Volvulella paupercula |
 Volvulella persimilis |
 Volvulella texasiana |
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A
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X-zzz