Stylommatophora
Averellia Ancey, 1887
Bunnya Baker, 1942
Cahuillus Roth, 1996
Cepolis Montfort, 1810
Chamaearionta Berry, 1930
Coelospira Ancey, 1886
Cryptostracon Kobelt, 1880
Cryptostrakon Binney, 1879
Dialeuca Albers, 1850
Epiphragmophora Doering, 1874
Eremarionta Pilsbry, 1913
Eremariontoides Miller, 1981
Eurycampta Martens, 1860
Greggelix Miller, 1972
Helminthoglypta Ancey, 1887
Herpeteros Berry, 1947
Leptarionta Crosse & Fischer, 1872
Maricopella Roth, 1996
Metostracon Pilsbry, 1900
Micrarionta Ancey, 1880
Mohavelix Berry, 1943
Myotophallus Pilsbry, 1939
Noyo Roth, 1996
Plesarionta Pilsbry, 1939
Polymita Beck, 1837
Rothelix Miller, 1985
Setipellis Pilsbry, 1926
Sonorelix Berry, 1943
Sonorella Pilsbry, 1900
Tryonigens Pilsbry, 1927
Xanthonyx Crosse & Fischer, 1867
Xerarionta Pilsbry, 1913