†superfamily Coccosteoidea Denison 1978 (armour-plated fish)
Parent taxon: Brachythoraci according to R. H. Denison 1984
See also Denison 1978
Sister taxa: Brachydeiroidea, Buchanosteoidea, Dinichthyoidea, Doseyosteus, Heterosteoidea, Homosteoidea, Maideria
Subtaxa: Coccosteidae Gemuendenaspidae Pholidosteidae
Ecology: nektonic carnivore
Distribution:
• Carboniferous of the United Kingdom (1 collection)
• Givetian of Belarus (1), the United Kingdom (1)
• Devonian of Belarus (2), Canada (1: Quebec), Estonia (5), Germany (3), Iran (1), Ireland (1), Latvia (5), Poland (1), the Russian Federation (3), South Africa (1), Svalbard and Jan Mayen (1), the United Kingdom (40), United States (2: Arizona, Pennsylvania)
Total: 69 collections including 82 occurrences