Actinopteri - Pycnodontiformes
Full reference: J. R. Nursall. 1996. The phylogeny of pycnodont fishes. Mesozoic Fishes – Systematics and Paleoecology. Verlag Dr. Friedrich Pfeil, München 125-152
Parent taxon: Pycnodontiformes according to J. R. Nursall 1996
Sister taxa: Acrorhinichthys, Akromystax, Arcodonichthys, Coccodontoidea, Grimmenodon, Gyronchus, Ichthyoceras, Paramicrodon, Phacodus, Polygyrodus, Pycnodontoidei, Tibetodus, Trewavasia, Uranoplosus
Subtaxa: Gyrodontidae Mesturidae
Ecology: nektonic durophage-carnivore
Distribution:
• Cretaceous of Canada (1: Saskatchewan collection), Chile (1), Egypt (1), France (2), Germany (1), Israel (1), Tunisia (1), the United Kingdom (1), United States (8: Colorado, Kansas, Nebraska, New Mexico, Utah)
• Jurassic to Cretaceous of France (1)
• Jurassic of Chile (3), France (3), Germany (3), Spain (1), the United Kingdom (1)
• Triassic of France (1)
Total: 30 collections including 32 occurrences