| Haplocion yucatanensis (Bartsch, 1906) |
| Hendersoniella Dall, 1905 |
| Hendersoniella christmani Thompson & Correa-Sandoval, 1994 |
| Hendersoniella lux Thompson & Correa-Sandoval, 1994 |
| Hendersoniella lux subsp. chonomphix Thompson & Correa-Sandoval, 1994 |
| Hendersoniella lux subsp. lux Thompson & Correa-Sandoval, 1994 |
| Hendersoniella palmeri (Dall, 1905) |
| Hendersoniella palmeri subsp. simplex Pilsbry, 1953 |
| Holospira Von Martens, 1860 |
| Holospira (Allocoryphe) Pilsbry, 1946 |
| Holospira (Allocoryphe) guaymasensis (Bartsch, 1943) |
| Holospira (Allocoryphe) minima Von Martens, 1897 |
| Holospira (Bostrichocentrum) Strebel, 1880 |
| Holospira (Bostrichocentrum) centicostata Thompson, 1964 |
| Holospira (Bostrichocentrum) goldmani Bartsch, 1906 |
| Holospira (Bostrichocentrum) hidalgoensis Bartsch, 1906 |
| Holospira (Bostrichocentrum) perplexa Thompson, 1964 |
| Holospira (Bostrichocentrum) pilsbryi Dall, 1895 |
| Holospira (Bostrichocentrum) pupa Thompson, 1964 |
| Holospira (Bostrichocentrum) ronzoni (Bartsch, 1943) |