†family Trigonodontoidae Weiler 1929 (ray-finned fish)

Actinopteri - Tetraodontiformes - Trigonodontoidae

Parent taxon: Tetraodontiformes according to G. R. Case and D. R. Schwimmer 1988

Sister taxa: Alutera, Atlanticopristis, Balistoidei, Balistomorphus, Bolcabalistidae, Cretatriacanthus, Cryptobalistes, Eodiodon, Eoplectidae, Eospinus, Indotrigonodon, Kyrtogymnodon, Moloidei, Oligodiodon, Oligolactoria, Ostracioidei, Pisdurodon, Plectocretacicus, Progymnodon, Protobalistidae, Tetraodontoidei, Triacanthodoidei, Triacanthoidei, Triacanthus, Triodon, Zignoichthyidae

Subtaxa: Stephanodus

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Ecology: nektonic carnivore

Distribution:

• Eocene of India (4 collections), Pakistan (1)

• Paleocene to Eocene of Mali (1)

• Cretaceous to Paleogene of Mali (1)

• Cretaceous of Bolivia (1), France (2), India (5), Jordan (1), Mexico (1), Niger (1), Syria (6), United States (10: Delaware, Georgia, Maryland, New Jersey, North Carolina, South Carolina)

• Jurassic to Cretaceous of France (3)

• Jurassic of France (1)

Total: 38 collections each including a single occurrence

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