Arstanosaurus

• abstract: Arstanosaurus (meaning "Arstan lizard" after the Arstan well) is a genus of hadrosaurid dinosaur from the Santonian-Campanian-age Upper Cretaceous Bostobinskaya Formation, Kazakhstan. It has had a confusing history, being considered both a hadrosaurid and a ceratopsid, or both at the same time (chimeric).

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