Apatosaurus Dinosaur Femur

Apatosaurus Femur. Apatosaurus ajax. Dinosaur fossil replica. Sauropod of the Jurassic Dry Mesa.

* Size: 71 inch x 21 inch (180cm x 53cm).
* Material: Museum quality fossil replicas are cast in durable Polyurethane resins.
* Made in USA

Apatosaurus is an extinct genus of sauropod dinosaur that lived during the Late Jurassic period of North America. The genus was first described in 1877 when Othniel Charles Marsh named A. ajax, and many species have since been described. They range in age from about 154 to 150 million years ago throughout the Kimmeridgian and early Tithonian ages of the Morrison Formation. Among the species is A. excelsus, long considered to be separate under the genus Brontosaurus, which is now considered a junior synonym of Apatosaurus. It was one of the largest land animals known to have ever existed, with an average length of 22.8 m (75 ft) and a mass of at least 16.4 metric tons (18.1 short tons). Apatosaurus was one of the more common sauropods in the Morrison, along with Diplodocus and Camarasaurus.

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