Placodermi - Phlyctaeniiformes - Coccosteidae
Parent taxon: Coccosteomorphi according to R. van der Laan 2019
See also Bryant 1932, Denison 1975, Denison 1978, Denison 1984, Hay 1902 and Jordan 1963
Sister taxa: Bungartiidae, Camuropiscidae, Mylostomatidae, Torosteidae, Trematosteidae
Subtaxa: Agassichthys Anomalichthys Aspidophorus Asteroplax Belgiosteus Brachydirus Clarkeosteus Coccosteinae Coccosteus Dickosteus Eldenosteus 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 Belarus (2), 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: 60 collections including 61 occurrences