Parent taxon: Teleosteomorpha according to G. Arratia 2017
See also Nelson et al. 2016
Sister taxa: Aspidorhynchiformes, Barschichthyidae, Marcopoloichthyidae, Prohaleciteiformes, Ruedersdorfia, Teleostei
Subtaxa: Pachycormiformes
Ecology:
Distribution:
• Cretaceous of Australia (2 collections), Canada (3: Manitoba, Saskatchewan), Chile (1), France (1), Italy (4), Japan (2), Jordan (1), the Russian Federation (1), Spain (1), Sweden (3), the United Kingdom (1), United States (25: Alabama, Colorado, Delaware, Kansas, Nebraska, North Carolina, North Dakota, South Dakota, Texas)
• Jurassic of Chile (3), France (13), Germany (19), Italy (2), Luxembourg (5), Mexico (1), the United Kingdom (10)
• Triassic of Germany (1), Italy (1)
Total: 100 collections including 133 occurrences