Osteichthyes - Pachycormiformes - Pachycormidae
Synonym: Protosphyraenidae Cope 1892
Parent taxon: Pachycormiformes according to J. Amalfitano et al. 2020
See also Applegate 1970, Delsate 1997, Friedman 2012, Friedman et al. 2010, Gardiner 1960, Hay 1902, Jordan 1963, Maxwell et al. 2020, Nelson et al. 2016, Shimada et al. 2006, Thurmond and Jones 1981 and Woodward 1895
Sister taxa: Austropleuropholis, Baleiichthys, Bobbichthys, Domeykos, Eugnathides, Eurystichthys, Flugopterus, Hengnania, Hungkiichthys, Ichthyokentema, Koonwarria, Luisichthys, Neopachycormus, Oreochima, Pachytrissops, Parapleuropholis, Pholidophoristion, Protoclupea, Prymnetes, Seefeldia, Wadeichthys
Subtaxa: Asthenocorminae Euthynotus Hypsocorminae Prosauropsis Sauropsis
Type: Pachycormus
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Belgium (1 collection), Canada (3: Manitoba, Saskatchewan), Chile (1), Czechia (2), France (1), Italy (1), Japan (2), Jordan (1), the Russian Federation (4), Spain (1), Sweden (3), the United Kingdom (3), United States (28: Alabama, Colorado, Delaware, Kansas, Nebraska, North Carolina, North Dakota, South Dakota, Texas)
• Jurassic of Chile (3), France (12), Germany (20), Italy (2), Luxembourg (5), Mexico (1), the United Kingdom (10)
• Triassic of Germany (1)
Total: 105 collections including 139 occurrences