Fishes Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020] Order Cyprinodontiformes Berg, 1940 - killifishes Family Poeciliidae Bonaparte, 1831 - poeciliids 1 Subfamily Poeciliinae Bonaparte, 1831 - livebearers 2 Subfamily Fluviphylacinae Roberts, 1970 see Family Fluviphylacidae Roberts, 1970 3 Subfamily Aplocheilichthyinae Myers, 1928 - banded lampeyes