Gastropoda Cuvier, 1797
Acanthonema Grabau, 1909
Alaionema Gubanov, Blodgett & Lytochkin, 1995
Amphiscapha Knight, 1942
Anisostoma Koken, 1889
Araeonema Knight, 1933
Austerum Heidecker, 1959
Bicarina Jhaveri, 1969
Biformispira Rohr, 1980
Centrifugus Bronn, 1834
Condonella McLellan, 1927
Cylicioscapha Yochelson, 1956
Discotropis Yochelson, 1956
Ecculiomphalus Portlock, 1843
Eleutherospira Blodgett & Johnson, 1992
Elkoceras Lintz & Lohr, 1958
Enomphalus Benett, 1831
Eumphalus Férussac, 1822
Euomaphalus M'Coy, 1842
Euomphales Rafinesque, 1818
Euomphalites Bowdich, 1822
Euomphalopsis Ulrich & Bridge, 1930
Euomphalopterus Roemer, 1876
Euomphalus Sowerby, 1814
Evomphalus Brongniart, 1828
Fletcherviewia Cook, 1993
Goldfussoceras Blodgett & Fryda, 1999
Hippocampoides Wade, 1916
Hystricoceras Jahn, 1894
Kiaeromphalus Peel & Yochelson, 1976
Leptomphalus Yochelson, 1956
Linsleyella Rohr, 1980
Mastigospira La Roque, 1949
Micromphalus Knight, 1945
Nevadaspira Yochelson, 1971
Nodeuomphalus Bandel & Fryda, 1998
Novakopteron Horny, 2002
Nummocalcar Cossmann, 1897
Offleyotrochus Peel, 1979
Phanerotinus Sowerby, 1843
Philoxene Kayser, 1889
Phymatifer Koninck, 1881
Planotectus Yochelson, 1956
Platybasis Cossmann, 1915
Pleuronotus Hall, 1879
Poleumita Clarke & Ruedemann, 1903
Rhabdotocochlis Knight, 1933
Saturnotropis Horny, 1992
Schitzostoma Bronn, 1834
Schizostoma Lea, 1842
Shaparolus Weinzettl, 1910
Sinistrispira Jhaveri, 1969
Sinutropis Perner, 1903
Siskiyouspira
Spinicharybdis Rohr & Packard, 1982
Straparollus Montfort, 1810
Straparolus Montfort, 1810
Strapasolus Costa, 1861
Straperolus Guéranger, 1853
Stroporallus Ivanov, 1926
Stusakia Frýda, 1998
Tubiconcha
Tychobrahea Horny, 1992
Weeksia Stephenson, 1941
