†family Trematosteidae Gross 1932 (armour-plated fish)
Placodermi - Phlyctaeniiformes - Trematosteidae
Parent taxon: Coccosteomorphi according to R. van der Laan 2019
See also Denison 1975, Denison 1978 and Denison 1984
Sister taxa: Bungartiidae, Camuropiscidae, Mylostomatidae, Torosteidae
Subtaxa: Belosteus Brachyosteus Cyrtosteus Omalosteus Parabelosteus Trematosteus
Ecology: nektonic carnivore
Distribution:
• Devonian of Germany (1 collection), the Russian Federation (1)
Total: 2 collections including 9 occurrences