Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Elopiformes Gosline, 1960 - tenpounders Family †Crossognathidae Woodward, 1901 Family Elopidae Bonaparte, 1832 - tenpounders and ladyfishes Family Megalopidae Jordan & Gilbert, 1882 - tarpons Family †Notelopidae Forey, 1973 Family †Pachyrhizodontidae Cope, 1872