Tombaatar sabuli is a recently-discovered multituberculate mammal from late Cretaceous sediments of Mongolia.
Multituberculates (including Kryptobaatar) are a group of extinctmammals known from the Jurassic to the Eocene in North America and Asia.
Tombaatar is distinguished by its large size relative to other multituberculates, a well-developed postpalatine torus, the presence of palatine teeth, and an M1 cusp formula of 4, 5, 2 (labial to lingual).
