Family Hexagrammidae (perch-like fish)
Actinopteri - Perciformes - Hexagrammidae
Parent taxon: Cottales according to R. Betancur et al. 2013
See also David 1943, Fierstine et al. 2012, Jordan 1963 and Nelson et al. 2016
Sister taxa: Agonidae, Cottidae, Cyclopteridae, Liparidae, Psychrolutidae
Subtaxa: Achrestogrammus Hexagrammos Sakhalinia
Ecology: nektonic carnivore
Distribution:
• Miocene of Japan (1 collection), the Russian Federation (1), United States (1: California)
Total: 3 collections each including a single occurrence