Gastropoda - Opisthobranchia - Retusidae
Parent taxon: Volvulella according to J. A. Todd 2001
Sister taxa: Volvulella (Paravolvulella), Volvulella cannada, Volvulella cylindrica, Volvulella gluma, Volvulella joaquinensis, Volvulella meyer, Volvulella oxyacrum, Volvulella persimilis, Volvulella tabori
Subtaxa: Volvulella (Volvulella) micratracta Volvulella (Volvulella) oxytata Volvulella (Volvulella) phonicoides
Ecology: epifaunal grazer
Distribution:
• Quaternary of Costa Rica (2 collections), Panama (1)
• Pliocene of Costa Rica (4), Jamaica (3), Mexico (1), Panama (10), United States (1: Florida)
• Miocene of Costa Rica (3), the Dominican Republic (4), Germany (37), Haiti (1), the Netherlands (1), Panama (26), United States (14: Florida)
• Eocene of Panama (2)
Total: 110 collections including 120 occurrences