Acanthodii - Diplacanthiformes
Parent taxon: Acanthodii according to R. van der Laan 2019
See also Burrow and Elliott 2023, Moloshnikov 2007 and Nelson et al. 2016
Sister taxa: Acanthodi, Acanthodida, Acanthodiformes, Antarctonchus, Archaeacanthus, Byssacanthoides, Campylodus, Climatiida, Climatiiformes, Diplacanthi, Eupleurogmus, Gemuendolepis, Haplacanthus, Homacanthus, Ischnacanthida, Ischnacanthiformes, Latviacanthus, Lupopsyroides, Lupopsyrus, Machaeracanthidae, Monopleurodus, Neoasiacanthus, Nodacosta, Nodonchus, Onchidae, Paucicanthus, Pinnacanthus, Promesacanthus, Ptychodictyon, Seretolepis, Striacanthus, Tchunacanthidae, Yealepis
Subtaxa: Bryantonchus Culmacanthidae Devononchus Diplacanthidae Gladiobranchidae
Ecology: nektonic carnivore
Distribution:
• Givetian of Belarus (1 collection)
• Devonian of Antarctica (2), Australia (2), Belarus (9), Canada (2: Northwest Territories, Quebec), Colombia (1), Estonia (3), Iran (2), Latvia (5), the Russian Federation (4), South Africa (1), the United Kingdom (6), United States (9: California, Nevada, Utah, Wyoming)
Total: 47 collections including 64 occurrences