Elasmosauridae
Extinct family of reptiles / From Wikipedia, the free encyclopedia
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Elasmosauridae is an extinct family of plesiosaurs, often called elasmosaurs. They had the longest necks of the plesiosaurs and existed from the Hauterivian to the Maastrichtian stages of the Cretaceous, and represented one of the two groups of plesiosaurs present at the end of the Cretaceous alongside Polycotylidae.
Quick Facts Scientific classification, Genera ...
Elasmosauridae | |
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Reconstructed skeleton of Elasmosaurus platyurus in the Rocky Mountain Dinosaur Resource Center in Woodland Park, Colorado. | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Superorder: | †Sauropterygia |
Order: | †Plesiosauria |
Clade: | †Xenopsaria |
Family: | †Elasmosauridae Cope, 1869 |
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