†order Acanthothoraciformes (armour-plated fish)
Placodermi - Acanthothoraciformes
Parent taxon: Placodermi according to J. S. Nelson et al. 2016
See also Grande and Eastman 1986 and Long 2011
Sister taxa: Acanthothoraci, Antiarcha, Antiarchiformes, Arthrodira, Asiacanthus, Austroptyctodus, Brindabellaspida, Campbellodus, Changyonophyton, Coccostei, Coelosteichthys, Deinodus, Hybosteus, Neopetalichthys, Nessariostoma, Oestophorus, Petalichthida, Petalichthyida, Petalichthyida, Phyllolepida, Pseudopetalichthyida, Pseudopetalichthyiformes, Ptychostei, Ptyctodontida, Rhenanida, Rhenaniformes, Sedowichthys, Stensioellida, Tollichthys, Yunnanacanthus
Subtaxa: none
Ecology: nektonic carnivore
Distribution: there are no occurrences of Acanthothoraciformes in the database