Stylommatophora
Odontocyclas Schluter, 1838
Orcula Held, 1837
Orculella Steenberg, 1925
Pagodulina Clessin, 1876
Schileykula Gittenberger, 1983
Sphyradium Hartmann, 1844
Walklea E. Gittenberger, 1978
