| Alexania Strand, 1928 |
| Alexania floridana (Pilsbry, 1945) |
| Amaea H. Adams & A. Adams, 1853 |
| Amaea (Scalina) Conrad, 1865 |
| Amaea (Scalina) brunneopicta (Dall, 1908) |
| Amaea (Scalina) deroyae DuShane, 1970 |
| Amaea (Scalina) tehuanarum DuShane & McLean, 1968 |
| Amaea mitchelli (Dall, 1896) |
| Amaea retifera (Dall, 1889) |
| Cirsotrema Mörch, 1852 |
| Cirsotrema dalli Rehder, 1945 |
| Cirsotrema funiculata P. P. Carpenter, 1857 |
| Cirsotrema hertzae García, 2010 |
| Cirsotrema pilsbryi (McGinty, 1940) |
| Cirsotrema skoglundae García, 2010 |
| Cirsotrema togatum (Hertlein & Strong, 1951) |
| Cycloscala Dall, 1889 |
| Cycloscala echinaticosta (d'Orbigny, 1842) |
| Cyclostoma Lamarck, 1799 |
| Cyclostoma acerbulum Morelet, 1851 |