Subfamily Omphalotropidinae Thiele 1927 (snail)
Gastropoda - Sorbeoconcha - Assimineidae
Parent taxon: Assimineidae according to P. Bouchet et al. 2005
Sister taxa: Assiminea, Assimineinae, Assiminia, Ekadantinae, Laternoides
Subtaxa: Omphalotropis
Ecology: epifaunal
Distribution: found only at Mare aux Songes swamp (modern collection) (Quaternary of Mauritius)