†family Austrosiphonidae Cotton and Godfrey 1938 (snail)
Gastropoda - Caenogastropoda - Austrosiphonidae
Parent taxon: Caenogastropoda according to D. E. Pérez et al. 2026
Sister taxa: Architaenioglossa, Buccinaopsidae, 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, Vanikoroidea, Ventrosia, Zygopleuroidea
Subtaxa: none
Ecology: epifaunal
Distribution: there are no occurrences of Austrosiphonidae in the database