New late Eocene cylindrodontid rodents from the Erlian Basin (Nei Mongol, China)

被引：0
|
作者：
Li, Qian [1 ,2 ]
机构：
[1] Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
[2] Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
来源：
PALAEOBIODIVERSITY AND PALAEOENVIRONMENTS | 2020年 / 100卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Cylindrodontid; Eocene; Nei Mongol; Mammalian dispersal; ERDEN OBO SECTION;
D O I：
10.1007/s12549-020-00424-5
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
Three cylindrodontids,Pseudocylindrodon yihesubuensissp. nov.,Ardynomys olseni, andArdynomyssp. from the locality Yihesubu, and the "Middle White" and "Upper Red" beds of the Erden Obo section in the Erlian Basin, Nei Mongol, China, are described.Pseudocylindrodon yihesubuensissp. nov. is the earliest known species ofPseudocylindrodonin Asia, and more advanced than UintanPseudocylindrodon citofluminisfrom Saskatchewan, Canada. The fossils ofArdynomysandPseudocylindrodonin the Erlian Basin suggest that the cylindrodontids-bearing strata are late Eocene, and provide new evidence of mammalian dispersal between Asia and North America during the late Eocene.
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页码：1083 / 1094
页数：12
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