Order Percopsiformes Berg 1940 (ray-finned fish)
Parent taxon: Paracanthopterygii according to R. van der Laan 2019
See also Betancur et al. 2013, Long 2011, Nelson 2006 and Nelson et al. 2016
Sister taxa: Anacanthini, Gadiformes, Protosyngnathidae, Sphenocephaliformes, Stylephoriformes, Trebicianiidae, Zeiformes
Subtaxa: Amblyopsidae Aphredoderidae Percopsidae Percopsiformorum
Ecology: planktonic suspension feeder
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