Placodermi - Phlyctaeniiformes - Coccosteidae
Parent taxon: Coccosteoidea according to D. P. Plax and M. J. Newman 2020
See also Bryant 1932, Denison 1975, Denison 1978, Denison 1984, Hay 1902, Jordan 1963 and van der Laan 2019
Sister taxon: Kimberia
Subtaxa: Agassichthys Anomalichthys Aspidophorus Asteroplax Belgiosteus Brachydirus Coccosteinae Coccosteus Dickosteus Eldenosteus Jiuchengia Lispognathus Livosteus Millerosteus Physichthys Ponerichthys Siphonodus Watsonosteus Woodwardosteus
Ecology: nektonic carnivore
Distribution:
• Carboniferous of the United Kingdom (1 collection)
• Givetian of the United Kingdom (1)
• Devonian of Australia (2), Belarus (3), China (1), Estonia (5), Germany (1), Iran (1), Ireland (1), Latvia (4), South Africa (1), Svalbard and Jan Mayen (1), the United Kingdom (40), United States (2: Arizona, Pennsylvania)
Total: 64 collections including 65 occurrences