Species described (4):
- Cyprinodon labiosus Humphries & Miller, 1981 (Cyprinodon), valid
- Cyprinodon maya Humphries & Miller, 1981 (Cyprinodon), valid
- Cyprinodon simus Humphries & Miller, 1981 (Cyprinodon), valid
- Cyprinodon verecundus Humphries, 1984 (Cyprinodon), valid