New material of Alagomyidae (Mammalia, Glires) from the Late Paleocene Subeng locality, Inner Mongolia

IVPP-IR > 中科院古脊椎所（2000年以后）

	New material of Alagomyidae (Mammalia, Glires) from the Late Paleocene Subeng locality, Inner Mongolia
	Meng, Jin; Ni, Xijun(倪喜军); Li, Chuankui(李传夔); Beard, K. Christopher; Gebo, Daniel L.; Wang, Yuanqing(王元清); Wang, Hongjiang; Meng, J (reprint author), Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA.
	2007
发表期刊	AMERICAN MUSEUM NOVITATES
ISSN	0003-0082
期号	3597 页码:1—29
摘要	Newly discovered specimens of alagomyids, mostly isolated teeth collected by screenwashing at the Gashatan (Late Paleocene) Subeng locality in Inner Mongolia, document considerable intraspecific variation in Tribosphenomys minutus that has not been appreciated previously because of limited sample sizes. P4s of Tribosphenomys are described for the first time, which helps to clarify the posterior premolar identification of alagomyids. Some of the alagomyid specimens are referred to Tribosphenomys cf. T secundus and Neimengomys qii gen. and sp. nov. Based on the new data, Tribosphenomys borealis from the Bumban Member of the Naran Bulak Formation, Mongolia, is considered to be a junior synonym of Alagomys inopinatus, and T tertius from the Zhigden Member of the Naran Bulak Formation is regarded as a junior synonym of T minutus. Alagomyidae, consisting of Tribosphenomys, Alagomys and Neimengomys, is maintained as a valid family. The presence of a diversity of alagomyids and other recently obtained fossils and stratigraphic evidence from the Erlian Basin suggest that the Gashatan and Bumbanian of Asia are probably correlative to the late Tiffanian-early Wasachian of North America. The faunal turnover during the Gashatan and Bumbanian in Asia is probably related to the Late Paleocene-Early Eocene global warming, but current evidence is insufficient to link any specific event with the Paleocene-Eocene Thermal Maximum.
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文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/3289
专题	中科院古脊椎所（2000年以后）
通讯作者	Meng, J (reprint author), Amer Museum Nat Hist, Div Paleontol, New York, NY 10024 USA.
推荐引用方式 GB/T 7714	Meng, Jin,Ni, Xijun,Li, Chuankui,et al. New material of Alagomyidae (Mammalia, Glires) from the Late Paleocene Subeng locality, Inner Mongolia[J]. AMERICAN MUSEUM NOVITATES,2007(3597):1—29.
APA	Meng, Jin.,Ni, Xijun.,Li, Chuankui.,Beard, K. Christopher.,Gebo, Daniel L..,...&Meng, J .(2007).New material of Alagomyidae (Mammalia, Glires) from the Late Paleocene Subeng locality, Inner Mongolia.AMERICAN MUSEUM NOVITATES(3597),1—29.
MLA	Meng, Jin,et al."New material of Alagomyidae (Mammalia, Glires) from the Late Paleocene Subeng locality, Inner Mongolia".AMERICAN MUSEUM NOVITATES .3597(2007):1—29.

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