Champsosaurus laramiensis Brown 1905 (choristodere)

Reptilia - Choristodera

Full reference: B. Brown. 1905. The osteology of Champsosaurus Cope. American Museum of Natural History, Memoirs 9:1-264

Belongs to Champsosaurus according to T. W. Dudgeon et al. 2023

See also Brown 1905, Erickson 1972, Gao and Fox 1998 and Hay 1930

Sister taxa: Champsosaurus albertensis, Champsosaurus ambulator, Champsosaurus annectens, Champsosaurus australis, Champsosaurus brevicollis, Champsosaurus gigas, Champsosaurus inelegans, Champsosaurus inflatus, Champsosaurus lindoei, Champsosaurus natator, Champsosaurus norelli, Champsosaurus profundus, Champsosaurus puercensis, Champsosaurus saponensis, Champsosaurus tenuis, Champsosaurus vaccinsulensis

Type specimen: AMNH 982, a skeleton. Its type locality is Hell Creek (AMNH general), which is in a Maastrichtian terrestrial horizon in the Hell Creek Formation of Montana.

Ecology: aquatic piscivore

Distribution:

• Cretaceous of Canada (1: Saskatchewan collection), United States (4: Montana, North Dakota)

Total: 5 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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