Tenontosaurus
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| phylum | Chordata | Tenontosaurus (meaning "sinew lizard") is a genus of medium- to large-sized ornithopod dinosaur. The genus is known from the late Aptian to Albian ages of the middle Cretaceous period sediments of western North America, dating between 115 to 108 million years ago. It was formerly thought to be a 'hypsilophodont', but since Hypsilophodontia is no longer considered a clade, it is now considered to be a very primitive iguanodont.
For more information, visit the Wikipedia entry. Get back to Ornithopoda |
| clade | Diapsida | |
| order | Ornithischia | |
| clade | Ornithopoda | |
| family | Iguanodontidae | |
| genus | Tenontosaurus | |
| species | T. tilletti | |
| Temporal range | Early Cretaceous |
