 Cymbovula acicularis (Lamarck, 1810) |  Cyphoma alleneae Cate, 1973 |  Cyphoma cf. alleneae Cate, 1973 |
 Cyphoma cf. intermedium (Sowerby, 1828) |  Cyphoma cf. mcgintyi Pilsbry, 1939 |  Cyphoma gibbosum (Linnaeus, 1758) |
 Cyphoma mcgintyi Pilsbry, 1906 |  Cyphoma mcgintyi Pilsbry, 1906 x Cyphoma signatum Pilsbry & McGinty, 1939 |  Cyphoma rhomba Cate, 1973 |
 Cyphoma sedlaki Cate, 1976 |  Cyphoma signatum Pilsbry & McGinty, 1939 |  Pseudocyphoma gibbulum Cate, 1978 |
 Pseudosimnia vanhyningi (M. Smith, 1940) |  Simnialena uniplicata (Sowerby, 1848) | |