Chondrichthyes - Protacrodontiformes
Parent taxon: Euselachii according to R. van der Laan 2019
See also Nelson et al. 2016
Sister taxa: Acronemus, Artiodus, Cheirostephanus, Dasyatiformes, Favusodus, Galei, Galeoidei, Hueneichthys, Hybodonta, Listracanthidae, Musteliformes, Neoselachii, Notidaniformes, Scyliorhiniformes, Selachimorpha, Squatinoidei, Squatinorajiformes, Surcaudalus, Synechodontidae, Tuberospina
Subtaxa: Protacrodontidae Protacrodontoidea
Ecology: nektonic carnivore
Distribution:
• Triassic of Poland (1 collection)
• Permian of United States (1: Kansas)
• Carboniferous of Belarus (1), Greenland (1), the Russian Federation (2), the United Kingdom (15), United States (9: Colorado, Kansas, Missouri, Oklahoma, South Dakota)
• Devonian of Australia (3), Belarus (2), Iran (1), the Russian Federation (5)
Total: 41 collections including 45 occurrences