†family Heterosteidae Jaekel 1903 (armour-plated fish)
Placodermi - Phlyctaeniiformes - Heterosteidae
Alternative spelling: Heterostiidae
Parent taxon: Heterosteoidea according to R. H. Denison 1984
See also Denison 1975 and Denison 1978
Sister taxa: none
Type: Heterosteus
Ecology: nektonic carnivore
Distribution:
• Devonian of China (1 collection), Svalbard and Jan Mayen (1)
Total: 2 collections each including a single occurrence