Reptilia - Plesiosauria - Pliosauridae
Alternative spelling: Brachaucheniidae
Parent taxon: Thalassophonea according to R. B. J. Benson and P. S. Druckenmiller 2014
See also Carpenter 1996, Hay 1930, Kuhn 1966, Páramo-Fonseca et al. 2018, Páramo-Fonseca et al. 2023, Persson 1963 and Zverkov and Pervushov 2020
Sister taxa: Gallardosaurus, Liopleurodon, Makhaira, Peloneustes, Pliosaurus, Pliosaurus brachyspondylus, Pliosaurus macromerus, Simolestes
Subtaxa: Brachauchenius Discosaurus Kronosaurus Luskhan Megacephalosaurus Sachicasaurus
Type: Brachauchenius
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Australia (4 collections), Colombia (3), the Russian Federation (2), the United Kingdom (1), United States (9: Colorado, Kansas, South Dakota, Texas, Utah)
Total: 19 collections each including a single occurrence