Placodermi - Arthrodira

Parent taxon: Brachythoraci according to R. H. Denison 1984

Sister taxa: Brachydeiroidea, Buchanosteoidea, Coccosteoidea, Dinichthyoidea, Homosteoidea

Subtaxa: Heterosteidae

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Ecology: nektonic carnivore

Distribution: there are no occurrences of Heterosteoidea in the database

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