Specie descritta (26):
- Catostomus clarkii Baird & Girard, 1854 (Catostomus), valid
- Catostomus insignis Baird & Girard, 1854 (Catostomus), valid
- Catostomus plebeius Baird & Girard, 1854 (Catostomus), valid
- Cochlognathus ornatus Baird & Girard, 1854, synonym
- Leuciscus lutrensis Baird & Girard, 1853 (Cyprinella), valid
- Cyprinodon gibbosus Baird & Girard, 1853, synonym
- Cyprinodon macularius Baird & Girard, 1853 (Cyprinodon), valid
- Eucinostomus argenteus Baird & Girard, 1855 (Eucinostomus), valid
- Fundulus grandis Baird & Girard, 1853 (Fundulus), valid
- Hydrargyra similis Baird & Girard, 1853 (Fundulus), valid
- Heterandria affinis Baird & Girard, 1853 (Gambusia), valid
- Gambusia patruelis Baird & Girard, 1853, synonym
- Gila elegans Baird & Girard, 1853 (Gila), valid
- Gila emoryi Baird & Girard, 1853, synonym
- Gila gibbosa Baird & Girard, 1854, synonym
- Gila gracilis Baird & Girard, 1853, synonym
- Gila grahamii Baird & Girard, 1853, synonym
- Gila pulchella Baird & Girard, 1854, synonym
- Gila robusta Baird & Girard, 1853 (Gila), valid
- Herichthys cyanoguttatus Baird & Girard, 1854 (Herichthys), valid
- Leuciscus bubalinus Baird & Girard, 1853, synonym
- Cyprinodon parvus Baird & Girard, 1855 (Lucania), valid
- Catostomus congestus Baird & Girard, 1854 (Moxostoma), valid
- Ceraticthys vigilax Baird & Girard, 1853 (Pimephales), valid
- Heterandia occidentalis Baird & Girard, 1853 (Poeciliopsis), valid
- Pomotis lugulus Baird & Girard, 1853, synonym
Generi descritti (4):
- Astyanax Baird & Girard, 1854, valid
- Eucinostomus Baird & Girard, 1855, valid
- Gila Baird & Girard, 1853, valid
- Herichthys Baird & Girard, 1854, valid