Abstract

Dihoplus is a rhinoceros distributed across East Asia and Europe from the Late Miocene to Pliocene. This study describes a new skull from the Qin Basin in Shanxi Province, China, referred to as Dihoplus ringstroemi, which has long been debated in taxonomic identity. This skull confirms that D. ringstroemi is an independent species and reveals the presence of the upper incisor and variations in the degree of constriction of the two lingual cusps of upper cheek teeth. In addition, the new skull indicates that the Qin Basin has a late Neogene sediment and fauna comparable to that of the Yushe Basin.

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