Chondrichthyes - Euthacanthidae
Parent taxon: Acanthodii according to Berg 1940
See also Nelson et al. 2016
Sister taxa: Acanthodi, Acanthodida, Acanthodiformes, Antarctonchus, Archaeacanthus, Byssacanthoides, Campylodus, Climatiida, Climatiiformes, Diplacanthi, Diplacanthiformes, Eupleurogmus, Gemuendolepis, Haplacanthus, Homacanthus, Ischnacanthida, Ischnacanthiformes, Lupopsyroides, Lupopsyrus, Machaeracanthidae, Monopleurodus, Nodacosta, Nodonchus, Onchus, Parexus, Paucicanthus, Pinnacanthus, Promesacanthus, Ptychodictyon, Seretolepis, Sinacanthus, Striacanthus, Tetanopsyrus, Yealepis
Subtaxa: Euthacanthus
Type: Euthacanthus
Ecology: nektonic carnivore
Distribution:
• Devonian of the United Kingdom (2 collections)
Total: 2 collections each including a single occurrence