Hadrosaurus
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| phylum | Chordata | Despite the fact that the family Hadrosauridae has Hadrosaurus as its type genus, the skeleton lacks a skull and was long viewed as too incomplete to compare to other hadrosaurs for classification purposes. A re-evaluation of the fossil material in 2011 noted several distinct characteristics of the skeleton that could allow the genus Hadrosaurus and species H. foulkii to remain in use as a valid taxon. In 1858, the only known skeleton was discovered, representing the first dinosaur species known from more than isolated teeth to be identified in North America. In 1868, it became the first ever mounted dinosaur skeleton.
For more information, visit the Wikipedia entry. Get back to Ornithopoda |
| clade | Diapsida | |
| order | †Ornithischia | |
| clade | †Ornithopoda | |
| family | †Hadrosauridae | |
| genus | †Hadrosaurus | |
| species | †H. foulkii | |
| Temporal range | Late Cretaceous |
