Styxosaurus Welles 1943 (elasmosaur)

Reptilia - Plesiosauria - Elasmosauridae

Synonym: Hydralmosaurus Welles 1943

Full reference: S. P. Welles. 1943. Elasmosaurid plesiosaurs with description of new material from California and Colorado. Memoirs of the University of California 13:125-254

Parent taxon: Elasmosaurinae according to J. P. O'Gorman 2019

See also Carpenter 1999, Carroll 1988, Ketchum and Benson 2010, O'Keefe 2001, Otero 2016, Otero et al. 2012, Sepkoski 2002, Storrs 1999, Welles 1943, Welles 1949 and Welles 1962

Sister taxa: Albertonectes, Hydrotherosaurus, Nakonanectes, Terminonatator, Elasmosaurus

Subtaxa: Hydralmosaurus serpentinus Styxosaurus browni Styxosaurus snowii Thalassonomosaurus marshii

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Type: Styxosaurus snowii

Ecology: aquatic carnivore

Distribution:

• Cretaceous of United States (8: Kansas, Nebraska, South Dakota, Wyoming collections)

Total: 8 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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