Gastropoda - Rissooidea

Parent taxon: Rissoidea according to P. Bouchet et al. 2005

Sister taxa: Adeorbidae, Amnicolidae, Anabathridae, Assimineidae, Barleeidae, Bithyniidae, Caecidae, Calopiidae, Cochliopidae, Cyclotropis, Elachisinidae, Emblandidae, Epigridae, Falsicingulidae, Helicostoidae, Hydrobiidae, Hydrococcidae, Iravadiidae, Lithoglyphidae, Mesocochliopidae, Moitessieriidae, Palaeorissoinidae, Pomatiopsidae, Rissoidae, Stenothyridae, Tornidae, Vitrinellidae

Subtaxa: Geomelaniinae, Truncatella, Truncatellinae

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Ecology: epifaunal grazer