Order Stylommatophora Schmidt 1856 (slug)
Parent taxon: Geophila according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, DuBar 1958, Jeffery 2003 and Miquel and Bellosi 2010
Sister taxon: Systellommatophora
Subtaxa: Achatinina Anastomopsidae Clausiloidea Cylindrellinidae Grandipatulidae Grangerellidae Helicina Limnophila Palaeoxestinidae Scalaxidae Scolodontina Sigmurethra