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Urtinotherium (meaning "Urtyn beast") is an extinct genus of indricothere hyracodontid mammals. It was a large animal that was closely related to Paraceratherium, and found in rocks dating from the Late Eocene to Early Oligocene period. The remains were first discovered in the Urtyn Obo region in Inner Mongolia, which the name Urtinotherium is based upon. Other referred specimens are from northern China.

Urtinotherium was a representative of the large subfamily Indricotheriinae, and almost reached the proportions of Paraceratherium. It is known from several findings in central and eastern Asia, though no complete skeletons are known. The holotype fossil (catalog number IVPP V.2769) includes a complete lower jaw 71.5 cm (28.1 in) in length, comparable to the smallest known of Paraceratherium. The jaw is wedge shaped, very low in height, and with elongated branches. The symphysis was solid and extended to the beginning of the second premolars. The jaws dentition is complete, having three front incisors and canine. The first two incisors protrude forward with a crown length of 4.9 cm (1.9 in), with forms similar to daggers. The other incisors and canines had much smaller crowns. Between each tooth is a small space, similar to its phylogenetically primitive relatives such as Juxia. Its back teeth, which are separated from the front teeth by a small diastema, consist of four premolars and three molars. These are similar in structure to those of Paraceratherium, with small premolars and larger molars. The latter have low coronas (are brachyodont) and had few enamel folds.

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Games

Jurassic World: The Game

see Urtinotherium/JW: TG

Urtinotheirum was made creatable in the Cenozoic Park for Jurassic World: The Game on August 24, 2018 as a Legendary savannah creature.

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