Hydralmosaurus

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Hydralmosaurus
Temporal range: Late Cretaceous, 84–80.5 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Sauropterygia
Order: Plesiosauria
Family: Elasmosauridae
Genus: †Hydralmosaurus
Welles, 1943
Species: †H. serpentinus
(Cope, 1877)
(originally Elasmosaurus)
Binomial name
Hydralmosaurus serpentinus
Synonyms

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Hydralmosaurus (meaning "salt water lizard") is a genus of elasmosaurid plesiosaur. It is known only from a single specimen discovered in Late Cretaceous (late Santonian - early Campanian age) rocks of Nebraska, USA.[1] Hydralmosaurus was coined as a new genus for "Elasmosaurus" serpentinus in 1943 by Samuel Paul Welles.[2] A 2016 study found it to be synonymous with Styxosaurus.[3]

See also

References

  1. Carpenter, K. (1999). "Revision of North American elasmosaurs from the Cretaceous of the western interior." Paludicola, 2(2): 148-173.
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  3. Otero RA. (2016) Taxonomic reassessment of Hydralmosaurus as Styxosaurus: new insights on the elasmosaurid neck evolution throughout the Cretaceous. PeerJ 4:e1777 https://doi.org/10.7717/peerj.1777


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