New materials of plesiacerathere (Perissodactyla, Rhinocerotidae) from the late Early Miocene of Northern China

doi:10.7717/peerj.16822

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	New materials of plesiacerathere (Perissodactyla, Rhinocerotidae) from the late Early Miocene of Northern China
	Sun, Danhui 1,2; Deng, Tao1,2 ; Wang, Shiqi2
	2024-01-31
发表期刊	PEERJ
ISSN	2167-8359
卷号	12 期号:1 页码:22
摘要	As a member of Aceratheriinae, the genus Plesiaceratherium in Europe is widely distributed and highly diverse. However, only one species of Plesiaceratherium (i.e., P. gracile) exists in China with a discontinuous distribution range. Recently, we have discovered new materials of Plesiaceratherium in the lower layers of the Zhang'enbao Formation exposed in Miaoerling in Tongxin County, China. The new materials are well-preserved and can be separated from other Plesiaceratherium species by the following combination of features: the long and generally flat skull, with closed frontoparietal crests; the deep nasal notch at the level of P4; the high supraorbital margin, with its anterior margin at the level of the M1/M2 boundary; the mediumsized upper I1, with an oval abraded surface; the semi-molarized upper premolars with the protocone and hypocone joined by a lingual bridge; the strong constrictions of protocone on the upper molars; the absent buccal cingulum on upper cheek teeth; the cheek teeth are covered by cement on the buccal walls; the convex base of mandibular corpus; the inclined backward ramus; and the mandibular foramen above the teeth neck. Based on the combination of characteristics and phylogenetic analysis, we herein establish the new species as Plesiaceratherium tongxinense sp. nov. living in the late Early Miocene. Phylogenetic analysis reveals that P. tongxinense is in the basal position of the genus Plesiaceratherium, providing more detailed morphological characteristics of the plesiaceratheres.
关键词	Plesiaceratherium Osteology Phylogeny Northern China
DOI	10.7717/peerj.16822
关键词[WOS]	MIDDLE MIOCENE ; LINXIA BASIN ; REVISION ; MAMMALIA ; ALICORNOPS ; FOSSIL ; GANSU ; FAUNA
收录类别	SCI
语种	英语
资助项目	Second Comprehensive Scientific Expedition on the Tibetan Plateau[2019QZKK0705] ; National Natural Science Foundation of China[42302013] ; National Key Research and Development Program of China[2023YFF0804501]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:001156836400003
出版者	PEERJ INC
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/23328
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Deng, Tao
作者单位	1.Univ Chinese Acad Sci, Beijing, Peoples R China 2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Sun, Danhui,Deng, Tao,Wang, Shiqi. New materials of plesiacerathere (Perissodactyla, Rhinocerotidae) from the late Early Miocene of Northern China[J]. PEERJ,2024,12(1):22.
APA	Sun, Danhui,Deng, Tao,&Wang, Shiqi.(2024).New materials of plesiacerathere (Perissodactyla, Rhinocerotidae) from the late Early Miocene of Northern China.PEERJ,12(1),22.
MLA	Sun, Danhui,et al."New materials of plesiacerathere (Perissodactyla, Rhinocerotidae) from the late Early Miocene of Northern China".PEERJ 12.1(2024):22.

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