Fishes Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020] Order Cyprinodontiformes Berg, 1940 - killifishes Family Aplocheilidae Bleeker, 1859 - Old World rivulins Subfamily Rivulinae Myers, 1925, nom. illeg. - rivulines