Family Hygromiidae Tryon 1866 (slug)
Gastropoda - Stylommatophora - Hygromiidae
Parent taxon: Helicoidea according to P. Bouchet et al. 2017
See also Bouchet et al. 2005
Sister taxa: Anguispira, Camaenidae, Elonidae, Euconulus, Geomitridae, Helicidae, Helicodontidae, Neohelix, Pleurodontidae, Polygyridae, Sphincterochilidae, Stenotrema, Triodopsis, Trissexodontidae, Xanthonychidae
Subtaxa: Caracollina Helicopsis Leucochroopsis Monachainae Pseudoxerotricha Trochulus Urticicola
Ecology: epifaunal
Distribution: