New Early and Middle Eocene artiodactyls from the Erlian Basin, Inner Mongolia, China

doi:10.1080/02724634.2023.2294006

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	New Early and Middle Eocene artiodactyls from the Erlian Basin, Inner Mongolia, China
	Bai, Bin1 ; Theodor, Jessica M.2; Wang, Yuan-Qing1,3 ; Meng, Jin1,4,5
	2023-05-04
发表期刊	JOURNAL OF VERTEBRATE PALEONTOLOGY
ISSN	0272-4634
期号	43 页码:e2294006
摘要	Eocene artiodactyls from Asia were considered less diverse and abundant than the contemporary perissodactyls, especially in the Eocene faunas from the Mongolia Plateau and Central Asia. By contrast, artiodactyls are highly diverse and endemic from the Eocene deposits of Europe and North America. Here we report two new genera and three new species of small- to medium-sized artiodactyls preserved by fragmentary materials from the Early and Middle Eocene of the Erlian Basin, Inner Mongolia, China. Paraphenacodus gabuniai sp. nov. represents the first record of artiodactyls from Arshantan Asian Land Mammal Age, and shows some more primitive characters than Paraphenacodus solivagus from the Middle Eocene of the Zaysan Depression of Kazakhstan. Although Paraphenacodus with generally bunodont teeth shows some similarities with both Early Eocene Tsaganohyus from Mongolia and early cebochoerid Gervachoerus from Europe, its affinities with other artiodactyls remain obscure. Two new genera and species, Irdinodon bicuspidata gen. et sp. nov. and Aliusuellus laolii gen. et sp. nov., from the Irdinmanhan ALMA represent new taxa of Lantianiinae and Tapirulidae, respectively. Irdinodon is characterized by twinned metaconules and entoconids on the upper and lower molars in lantianiines. Aliusuellus is characterized by a large size and a distinct ridge raised along the posterolingual side of the paracone to its apex on M2. These new artiodactyl materials from the Erlian Basin, as well as recently reported tapirulids and bunodont Erlianhyus, increase the diversity of the Eocene artiodactyls from the Mongolia Plateau, and provide new clues on the origin and dispersal of some early artiodactyls.http://zoobank.org/urn:lsid:zoobank.org:pub:C154B8B2-3841-4616-8D9E-56878C594B5F
DOI	10.1080/02724634.2023.2294006
关键词[WOS]	PONDAUNG FORMATION ; MAMMALIA ; MYANMAR ; EVOLUTION ; CETARTIODACTYLA ; SUIFORMES ; DENTITION ; THAILAND ; PROVINCE ; CLIMATE
收录类别	SCI
语种	英语
资助项目	Strategic Priority Research Program of Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41672014] ; Frick Funds from the Division of Paleontology, American Museum of Natural History ; National Natural Science Foundation of China[42272011] ; Natural Sciences and Engineering Research Council of Canada[RGPIN/03433-2023]
WOS研究方向	Paleontology
WOS类目	Paleontology
WOS记录号	WOS:001145292700001
出版者	TAYLOR & FRANCIS INC
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/23234
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Bai, Bin
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China 2.Univ Calgary, Dept Biol Sci, Calgary, AB T2N 1N4, Canada 3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100044, Peoples R China 4.Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA 5.CUNY, Grad Ctr, Earth & Environm Sci, New York, NY 10017 USA
推荐引用方式 GB/T 7714	Bai, Bin,Theodor, Jessica M.,Wang, Yuan-Qing,et al. New Early and Middle Eocene artiodactyls from the Erlian Basin, Inner Mongolia, China[J]. JOURNAL OF VERTEBRATE PALEONTOLOGY,2023(43):e2294006.
APA	Bai, Bin,Theodor, Jessica M.,Wang, Yuan-Qing,&Meng, Jin.(2023).New Early and Middle Eocene artiodactyls from the Erlian Basin, Inner Mongolia, China.JOURNAL OF VERTEBRATE PALEONTOLOGY(43),e2294006.
MLA	Bai, Bin,et al."New Early and Middle Eocene artiodactyls from the Erlian Basin, Inner Mongolia, China".JOURNAL OF VERTEBRATE PALEONTOLOGY .43(2023):e2294006.

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