Gastropoda Cuvier, 1797
Bojozyga Horný, 1954
Hainanema Heidelberger, 2001
Hornyzyga Cook, 1995
Kallispira Heidelberger & Bandel, 1999
Medfrazyga Fryda & Blodgett, 2004
Rhenozyga Fryda, 2000
Sturgeonospira Hoare, 1980
Urftia Heidelberger & Bandel, 1999
