Parent taxon: Caenogastropoda according to C. S. Cataldo 2017
See also Beesley 1998, Bouchet et al. 2005, Bouchet et al. 2017, Jeffery 2003, Ponder and Warén 1988, Stilwell et al. 2004 and Todd 2001
Sister taxa: Architaenioglossa, Carinomphalus, Cassianozyga, Cataldia, Cerithimorpha, Cerithioidea, Coelodiscidae, Coelostylinidae, Cyclophoracea, Dendropupoidea, Dzikella, Epitonioidea, Idahospira, Littorinimorpha, Loxotomella, Meekospiridae, Mesogastropoda, Neontaenioglossa, Neotaenioglossa, Orthonematoidea, Palaeostyloidea, Peruneloidea, Perunelomorpha, Pragoscutulidae, Prisconatica, Pseudomelanoidea, Soleniscoidea, Sorbeoconcha, Spanionematidae, Strobeidae, Trinema, Ventrosia, Zygopleuroidea
Subtaxa: Aclididae Eulimidae Gigantocapulidae Haloceratidae Hipponicacea Omalaxidae Vanikoridae
Ecology: epifaunal grazer