although it was not a long-distance runner

Prognathodontines are differentiated from other mosasaurs by their massive jaws and robust teeth

such as reptiles and mammals

It was characterized for being a large and herbivorous animal

Gobiatherium mirificum Cynops although it was not aGobiatherium previously known as Gobiatherium major from some fossils but now considered a synonym of Gobiatherium mirificum according to paleontological databaseswas an extinct dinocerid mammal that lived during the Middle Eocene of Asia (approximately 55 to 38 million years ago) , with specimens well represented in Mongolia and the Gobi Desert region. The genus name literally means " beast of the Gobi ," referring to its primary geographic location