Hydralmosaurus
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Hydralmosaurus Temporal range: Late Cretaceous, 84–80.5 Ma |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Family: | †Elasmosauridae |
| Genus: |
†Hydralmosaurus Welles, 1943 |
| Species: | †H. serpentinus |
| Binomial name | |
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Hydralmosaurus serpentinus (Cope, 1877) (originally Elasmosaurus) |
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| 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;Hydralmosaurus was coined as a new genus for "Elasmosaurus" serpentinus in 1943 by Samuel Paul Welles. the specimen has a total body length of 9.44 metres (31.0 ft). A 2016 study found it to be synonymous with Styxosaurus.
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