| Cochliopa infundibulum Von Martens, 1899 |
| Cochliopa picta Pilsbry, 1910 |
| Cochliopa riograndensis Pilsbry & Ferriss, 1906 |
| Cochliopidae Tryon, 1866 |
| Cochliopina Morrison, 1946 |
| Cochliopina compacta (Pilsbry, 1910) |
| Cochliopina francesae (Goodrich & Van der Schalie, 1937) |
| Cochliopina infundibulum (Von Martens, 1899) |
| Cochliopina milleri Taylor, 1966 |
| Cochliopina picta (Pilsbry, 1910) |
| Cochliopina riograndensis (Pilsbry & Ferriss, 1906) |
| Cochliopinae Tryon, 1866 |
| Durangonella Morrison, 1945 |
| Durangonella coahuilae Taylor, 1966 |
| Durangonella dugesiana Morrison, 1945 |
| Durangonella mariae Morrison, 1945 |
| Durangonella pilsbryi Morrison, 1945 |
| Durangonella seemani (Frauenfeld, 1863) |
| Emmericiella Pilsbry, 1909 |
| Emmericiella longa (Pilsbry, 1909) |