Class Actinopterygii Woodward, 1891 - ray-finned fishes Subclass Neopterygii Regan, 1923 Infraclass Teleostei Müller, 1845 Supercohort Teleocephala de Pinna, 1996 Cohort Elopomorpha Greenwood et al., 1966 Order Elopiformes Gosline, 1960 - tenpounders 1 Family Elopidae Bonaparte, 1832 - tenpounders and ladyfishes 2 Family Megalopidae Jordan & Gilbert, 1882 - tarpons