†family Mesacanthidae Moy-Thomas 1939 (spiny fish)
Acanthodii - Acanthodiformes - Mesacanthidae
Parent taxon: Acanthodiformes according to R. van der Laan 2019
See also Nelson et al. 2016
Sister taxa: Acanthodidae, Cheiracanthidae, Laliacanthus
Subtaxa: Melanoacanthus Mesacanthus
Type: Mesacanthus
Ecology: nektonic carnivore
Distribution:
• Givetian of the United Kingdom (1 collection)
• Devonian of Canada (1: Northern Territories), the United Kingdom (13)
Total: 15 collections including 16 occurrences