Gobiocylindrodon is an extinct genus of cylindrodontid rodent that lived in East Asia during the Ypresian and Lutetian stages of the Eocene epoch.
Description Gobiocylindrodon ulausuensis possessed a hypoconid that was slightly anterolabially extended on its M1, M2, and M3. Compared to later cylindrodontids, it had less rounded maxillary molars and lower molar crowns, and its hypolophid on P4 was more oblique. Its mandibular incisors had pauciserial enamel.
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