Synonym: Euomphalomorpha Bandel and Frýda 1998
Full reference: W.F. Ponder and D. R. Lindberg. 1996. Gastropod phylogeny - challenges for the 90s. Origin and evolutionary radiation of the Mollusca 135-154
Parent taxon: Gastropoda according to P. Jeffery 2003
See also Bandel and Frýda 1998, Beesley 1998, Lozouet et al. 2001 and Wagner 2023
Sister taxa: Achatina, Acteonoidea, Admetidae, Alamirifica, Alectrionidae, Amalthea, Amphigastropoda, Archaeobranchia, Architectonicidae, Auroraella, Beekmanoceras, Bellerophontida, Brachycerithium, Briardia, Bucardites, Buccinites, Bulimella, Bulimulidae, Bulimus, Bullaea, Caenogastropoda, Capulus sellardsi, Catubrina, Cavolinioidea, Chartrionella, Chippewaella, Chlathrus, Chrysodomidae, Chuchleconus, Cithna, Clathromangelia, Cocculiniformia, Cyclostoma, Deroceras, Dextrobranchia, Dicathais, Dicosmus, Doliidae, Dorcasiidae, Elmira, Eunerinea, Fruiticicoiidae, Gadinidae, Galeodea schencki, Galericulus, Geinitzia, Geinitzia carinata, Globulitopa, Gordenella, Gryphellina, Gundlachia, Hecatastoma, Helicarionoidea, Helicidae, Helicites, Helictes, Helminthoglyptidae, Holyneconcha, Hyalaea, Hyalinia, Hyrcania, Isaea, Iteria, Jeffreysia, Juliidae, Liris, Lovonemetrida, Luoguella, Luoguispira, Lymnaea, Lysechinus, Lysechinus incongruens, Mahajangina, Mathildidae, Microceras, Microcochlis, Mitrularia, Monotigma, Neomphaliones, Neptuneidae, Nerinea, Neritaemorpha, Neritimorpha, Neritites, Notodelphinula, Opisthobranchia, Opisthonematidae, Orthogastropoda, Patellogastropoda, Patelloidea, Pectinibranchia, Pejona, Peraubium, Permoplanorboidea, Phorus, Pitonnellus, Planorboidea, Platyostomella, Platystoma, Plectopyloidea, Pleurotomaria verticillata, Pleurotomaria verticillata, Pleurotomaria viola, Plicatusidae, Polygyridae, Pragoserpulinidae, Prasinidae, Prosobranchia, Pseudobrochidium, Pseudotylostoma, Ptenoglossa, Pteronotus, Pteropoda, Pulmonata, Pupillacea, Pyramidellidae, Pythia, Rhytidopilidae, Rotellina, Rugoplanorboidella, Scalariidae, Serpulopsis, Spiraxidae, Spirgvaleia, Streptoneura, Stuorilda, Subulinidae, Suprazonalia, Taeniodomus, Thatcheriidae, Tirolthilda, Tornatella, Tortifusus, Toxonema, Tripartella, Trochifusus, Trochiletes, Trochopsis, Trochotremaria, Trochulus, Turbo guadalupensis, Turbo texana, Urocoptidae, Valvata, Vespertilio, Vetigastropoda, Wellingtonia, Zlichovia
Subtaxa: Cordaspira Dalejeconcha Docoglossa Euomphalina Sinuopeidae
Ecology: epifaunal