| Amphicyclotinae Kobelt & Möllendorff, 1897 |
| Amphicyclotus Crosse & Fischer, 1879 |
| Amphicyclotus (Amphicyclotus) Crosse & Fischer, 1879 |
| Amphicyclotus (Amphicyclotus) palenquensis (Pilsbry, 1935) |
| Amphicyclotus boucardi (Pfeiffer, 1856) |
| Amphicyclotus maleri Crosse & Fischer, 1883 |
| Amphicyclotus megaplanus Morrison, 1955 |
| Amphicyclotus palenquensis (Pilsbry, 1935) |
| Amphicyclotus paulsonorum Thompson, 1969 |
| Amphicyclotus texturatus (Sowerby, 1850) |
| Amphicyclotus texturatus subsp. spiralis Thompson, 1969 |
| Amphicyclotus texturatus subsp. texturatus (Sowerby, 1850) |
| Aperostoma Troschel, 1847 |
| Aperostoma mexicanum (Menke, 1830) |
| Aperostoma mexicanum subsp. mexicanum (Menke, 1830) |
| Aperostoma mexicanum subsp. palmeri (Bartsch & Morrison, 1942) |
| Aperostoma mexicanum subsp. salleanum (Von Martens, 1865) |
| Aperostoma palmeri (Bartsch & Morrison, 1942) |
| Aperostoma walkeri H. B. Baker, 1928 |
| Dicrista Thompson, 1969 |