Especies descritas (8):
- Amiurus cragini Gilbert, 1884, synonym
- Cyprinella beckwithi Girard, 1856, synonym
- Etheostoma micropterus Gilbert, 1890, synonym
- Gobionellus atripinnis Gilbert & Randall, 1979, synonym
- Gobius microdon Gilbert, 1892 (Gobionellus), valid
- Microgobius miraflorensis Gilbert & Starks, 1904 (Microgobius), valid
- Pantosteus arizonae Gilbert, 1856, synonym
- Pimelodus catulus Girard, 1858, synonym