Actinopteri - Elopiformes - Megalopidae
Synonym: Sedenhorstiidae Goody 1969
Parent taxon: Elopiformes according to R. Betancur et al. 2013
See also Fierstine et al. 2012, Forey 1973, Goody 1969, Jordan 1963, Khalloufi et al. 2019, Nelson et al. 2016, Nolf and Dockery 1990 and Weems 1999
Sister taxa: Albuloidei, Antofagastaichthys, Carsothrissops, Coryphaenopsis, Dactylopogon, Davichthys, Echinelops, Eichstaettia, Elopidae, Elopoidei, Epaelops, Flindersichthys, Lyrolepis, Ostariostoma, Phyllodontidae
Subtaxa: Elopoides Megalops Promegalops Protarpon Sedenhorstia
Ecology: nektonic carnivore
Distribution:
• Quaternary of United States (1: Florida collection)
• Miocene of Australia (1), United States (6: Florida, North Carolina, Virginia)
• Oligocene of Australia (2)
• Eocene of the United Kingdom (1), United States (2: Texas, Virginia)
• Paleocene of Morocco (1)
• Cretaceous of Germany (1), Lebanon (2), Mexico (1)
Total: 18 collections including 22 occurrences