Hydrotherosaurus
| Hydrotherosaurus Temporal range: Late Cretaceous, 70-66 Ma | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Superorder: | †Sauropterygia |
| Order: | †Plesiosauria |
| Clade: | †Xenopsaria |
| Family: | †Elasmosauridae |
| Genus: | †Hydrotherosaurus Welles, 1943 |
| Species: | † H. alexandrae |
| Binomial name | |
| Hydrotherosaurus alexandrae Welles, 1943 | |
Hydrotherosaurus (meaning "water beast lizard") is an extinct genus of elasmosaurid plesiosaur from the Upper Cretaceous (Maastrichtian stage) of Fresno County, California, USA. It measured up to 13 m in length. The species H. alexandrae was named for its discoverer, Annie Montague Alexander by Samuel Paul Welles.
See also
Sources
- Welles, S. P. (1943). Elasmosaurid plesiosaurs with a description of the new material from California and Colorado. University of California Memoirs 13. pp. 125–254.
External links
- Hydrotherosaurus article including visual reconstruction and size guide, www.prehistoric-wildlife.com
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