Hydralmosaurus

Hydralmosaurus Temporal range: Late Cretaceous, 84–80.5 Ma PreЄ Є O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Superorder:	†Sauropterygia
Order:	†Plesiosauria
Family:	†Elasmosauridae
Genus:	†Hydralmosaurus Welles, 1943
Species:	†H. serpentinus (Cope, 1877) [originally Elasmosaurus]
Synonyms
Elasmosaurus serpentinus Cope, 1877 Styxosaurus browni Welles, 1952

Hydralmosaurus (meaning "salt water lizard") is a genus of elasmosaurid plesiosaur. It is known from fossils discovered in Late Cretaceous (late Santonian - early Campanian age) rocks of Nebraska and Wyoming.^[1] Hydralmosaurus was coined as a replacement name for "Elasmosaurus" serpentinus in 1943 by Samuel Paul Welles.^[2]

References

^ Carpenter, K. (1999). "Revision of North American elasmosaurs from the Cretaceous of the western interior." Paludicola, 2(2): 148-173.
^ Welles, Samuel P. (1943). "Elasmosaurid plesiosaurs with description of new material from California and Colorado". Memoirs of the University of California 13 (3): 125–254.