Family Cyprinodontidae - Pupfish
Cyprinodontidae - Amargosa River pupfish (Cyprinodon nevadensis amargosae) - Ash Meadow, Nevada
Cyprinodontidae - Devils Hole pupfish (Cyprinodon diabolis) - Amargosa NWR, Ash Meadows area, Nevada
Cyprinodontidae - Desert Pupfish (Cyprinodon macularis) - Anza Borrego State Park California
Cyprinodontidae - Death Valley pupfish (Cyprinodon salinus) - Salt Creek, Death Valley NP, California