Superfamily Rissooidea Gray 1847 (snail)
Alternative spelling: Rissoidea
Parent taxon: Littorinimorpha according to P. Jeffery 2003
Sister taxa: Calyptraeoidea, Capuloidea, Carinarioidea, Cingulopsoidea, Cypraeoidea, Ficoidea, Laubierinoideae, Littorinoidea, Naticoidea, Pterotracheoidea, Stromboidea, Tonnoidea, Vanikoroidea, Velutinoidea, Vermetoidea, Xenophoroidea
Subtaxa: 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, Truncatellidae, Vitrinellidae
Ecology: epifaunal grazer