Table 4
Hydrobioid species found in the Cuatro Ciénegas Basin.
| *Coahuilix hubbsi Taylor 1966a |
| *Coahuilix n. sp. |
| *Paludiscala caramba Taylor 1966a |
| *Mexithauma quadripaludium Taylor 1966a |
| Coachliopina riograndensis Pilsbury and Ferris 1906 |
| *Cochliopina milleri Taylor 1966a |
| *Duragonella coahuilae Taylor 1966a |
| *Mexipyrgus churinceanus Taylor 1966a |
| *Nymphophilus minckleyi Taylor 1966a |
| Nymphophilus n. sp. |
| "Stobia" n. sp. |
| Orygocerus(?) sp |
| *Species endemic to the basin |