Osteichthyes - Tetraodontiformes - Diodontidae
Synonym: Eodiodontidae Tavani 1955
Parent taxon: Tetraodontoidei according to R. van der Laan 2019
See also Bannikov 2014, Betancur et al. 2013, Cantalice et al. 2025, Carnevale et al. 2014, Carnevale and Godfrey 2018, Dica 2002, Ebersole et al. 2019, Hay 1902, Jordan 1963, Kumar and Loyal 1987, Nelson et al. 2016, Purdy et al. 2001, Santini and Tyler 2003, Thurmond and Jones 1981 and Tyler and Sorbini 1996
Sister taxa: Avitoplectidae, Balkariidae, Ctenoplectus, Eoplectoidea, Moloidea, Tetraodontidae, Tetraodontoidea, Triodontoidea
Subtaxa: Chilomycterus Diodon Eodiodon Heptadiodon Prodiodon Progymnodon Progymnodontinae Pshekhadiodon Pshekhadiodontinae Zignodon
Type: Eodiodon
Ecology: nektonic carnivore
Distribution:
• Quaternary of France (1 collection), the Marshall Islands (3), Turks and Caicos Islands (1), United States (5: Alabama, Florida, Georgia, South Carolina)
• Pliocene of Libya (1), Spain (2), United States (2: Florida, North Carolina)
• Hemphillian of United States (1: Florida)
• Miocene to Pliocene of Australia (2), Mexico (1), United States (1: Florida)
• Miocene of Algeria (2), Australia (3), Brazil (3), India (3), Italy (2), Mexico (1), Pakistan (1), Portugal (2), Spain (1), Sri Lanka (2), United States (7: California, Florida, North Carolina, South Carolina, Virginia), Venezuela (2)
• Oligocene of France (1), the Russian Federation (1), United States (2: Florida, South Carolina)
• Eocene of Barbados (2), India (3), Italy (2), Romania (5), United States (7: Alabama, Florida, Louisiana, Mississippi)
• Paleocene of United States (1: South Carolina)
Total: 73 collections including 83 occurrences