Order Percopsiformes Berg 1940 (ray-finned fish)
Parent taxon: Percopsaria according to R. Betancur et al. 2013
See also Long 2011, Nelson 2006 and Nelson et al. 2016
Sister taxa: none
Subtaxa: Amblyopsidae Aphredoderidae Percopsidae Percopsiformorum
Ecology: nektonic omnivore
Distribution:
• Eocene of Canada (3: British Columbia collections), United States (4: Utah, Washington, Wyoming)
• Paleocene of Canada (3: Alberta), Denmark (2), Greenland (1)
• Cretaceous of Canada (1: Alberta), United States (4: Montana, Wyoming)
Total: 18 collections each including a single occurrence