[unassigned] Decapodiformes (basis of record)
Acanthochitonina (basis of record)
Anaspidea accepted as Aplysiida (additional source)
Apogastropoda (additional source)
Archaeopulmonata accepted as Siphonarioidea Gray, 1827 (additional source)
Ascoglossa accepted as Sacoglossa (additional source)
Basommatophora accepted as Hygrophila (additional source)
Caenogastropoda (additional source)
Caenogastropoda incertae sedis (basis of record)
Caudofoveata (basis of record)
Chaetodermatida (basis of record)
Chaetodermomorpha accepted as Caudofoveata (additional source)
Chitonida (basis of record)
Chitonina (basis of record)
Cladobranchia incertae sedis (basis of record)
Dendronotida accepted as Dendronotoidea Allman, 1845 (basis of record)
Dendronotina accepted as Dendronotoidea Allman, 1845 (additional source)
Dentaliida (additional source)
Dexiarchia accepted as Cladobranchia (basis of record)
Docoglossa accepted as Patellogastropoda (additional source)
Doridoidei (additional source)
Elasmognatha accepted as Succineoidei (basis of record)
Entalimorpha (basis of record)
Euarminida accepted as Arminoidea Iredale & O'Donoghue, 1923 (1841) (basis of record)
Euctenidiacea accepted as Doridina (additional source)
Gadilida (additional source)
Gadilimorpha (basis of record)
Gnathodoridacea accepted as Bathydoridoidei (additional source)
Gymnomorpha accepted as Systellommatophora (additional source)
Heteroglossa (additional source)
Hypsogastropoda (additional source)
Ischnochitonina accepted as Chitonina (basis of record)
Lepidopleurida (additional source)
Lepidopleurina (basis of record)
Littorinimorpha (additional source)
Monoplacophora (basis of record)
Nautilida (additional source)
Nautiloida (basis of record)
Neogastropoda (basis of record)
Notaspidea accepted as Pleurobranchomorpha accepted as Pleurobranchida (additional source)
Nudipleura (additional source)
Octopoda (basis of record)
Oegopsina represented as Oegopsida (additional source)
Patellogastropoda (additional source)
Pelecypoda accepted as Bivalvia (additional source)
Pholidoskepia represented as Solenogastres (additional source)
Pleurobranchomorpha accepted as Pleurobranchida (additional source)
Prosobranchia (additional source)
Ptenoglossa (additional source)
Rhipidoglossa (basis of record)
Sigmurethra accepted as Helicina (basis of record)
Solenogastres (additional source)
Stenoglossa accepted as Neogastropoda (basis of record)
Stylommatophora incertae sedis (basis of record)
Tectibranchiata (basis of record)
Teuthida (basis of record)