†order Macropetalichthyiformes (armour-plated fish)
Placodermi - Macropetalichthyiformes
Parent taxon: Antiarchi according to R. van der Laan 2019
Sister taxa: Asterolepidiformes, Bothriolepidiformes, Liujiangolepidae, Macrodontophion, Minicranidae, Phymolepis, Pterichthyodid, Ptyctodontiformes, Silurolepidae, Sinolepiformes, Xichonolepis, Yunnanolepidiformes, Zhanjilepis, Hyrcanaspis, Walterilepis, Jiangxilepididae, Bothriolepoidei, Yunnanolepidoidei
Subtaxa: Macropetalichthyidae Quasipetalichthyidae
Ecology: nektonic carnivore
Distribution:
• Devonian of Australia (3 collections), Canada (1: Nunavut), China (6), Germany (2), the Russian Federation (2), Svalbard and Jan Mayen (1), United States (5: Indiana, Michigan, Ohio)
Total: 20 collections including 22 occurrences