Champsosaurus gigas Erickson 1972 (choristodere)

Reptilia - Choristodera

Full reference: B. R. Erickson. 1972. The lepidosaurian reptile Champsosaurus in North America. The Science Museum of Minnesota, Monograph (Paleontology) 1:1-91

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

See also Erickson 1972 and Gao and Fox 1998

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

Type specimen: SMM P71.2.1, a skeleton (A nearly complete skeleton with a partial skull and lower jaw of a young animal). Its type locality is Champsosaurus gigas type (SMM), which is in a Paleocene terrestrial horizon in the Fort Union Formation of North Dakota.

Ecology: aquatic piscivore

Distribution:

• Paleocene of Canada (1: Saskatchewan collection), United States (5: North Dakota, Wyoming)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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