n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Ammocryptocharax elegans | Weitzman & Kanazawa, 1976 | Ammocryptocharax elegans | Crenuchidae | |
| Ammocryptocharax lateralis | (Eigenmann, 1909) | Ammocryptocharax lateralis | Crenuchidae | |
| Ammocryptocharax minutus | Buckup, 1993 | Ammocryptocharax minutus | Crenuchidae | |
| Ammocryptocharax vintonae | (Eigenmann, 1909) | Ammocryptocharax vintonae | Crenuchidae |