Kingdom Animalia Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020] Order Cyprinodontiformes Berg, 1940 - killifishes Family Goodeidae Jordan & Gilbert, 1883 - splitfins Genus Ameca Miller & Fitzsimons, 1971 Ameca splendens R.R. Miller & J.M. Fitzsimons, 1971 - butterfly splitfin