†family Culmacanthidae Long 1983 (spiny fish)
Acanthodii - Diplacanthiformes - Culmacanthidae
Parent taxon: Diplacanthiformes according to R. van der Laan 2019
See also Hanke and Wilson 2004 and Nelson et al. 2016
Sister taxa: Bryantonchus, Devononchus, Diplacanthidae, Gladiobranchidae
Subtaxa: Culmacanthus
Type: Culmacanthus
Ecology: nektonic carnivore
Distribution:
• Devonian of Antarctica (1 collection), Australia (2)
Total: 3 collections each including a single occurrence