A Finding of a Frozen Mummy of a Lemming (Rodentia, Cricetidae, Lemmus) in the Upper Pleistocene of Yakutia


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The external morphological, X-ray, and tomographic study of a frozen rodent mummy from the Upper Pleistocene Yedoma deposits on the Tirekhtyakh River (a Semyuelyakh River tributary, Abyi ulus, Republic of Sakha (Yakutia), Russia) showed its belonging to Lemmus sp. The radiocarbon age of the finding is 41 305–41 885 cal B.P. This is the first Pleistocene discovery of a frozen mummy of a genus Lemmus representative. In terms of the body and skull sizes, coat color, the lower incisor length, and the molar structure, the specimen studied is similar to the recent Lemmus sibiricus (Kerr, 1792). Comparison of the mitochondrial COB gene sequence with the DNA sequences presented in the GenBank database also testified to the maximum similarity with the Recent Siberian brown lemming.

作者简介

A. Lopatin

Borissiak Paleontological Institute, Russian Academy of Sciences; Moscow State University

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Email: alopat@paleo.ru
俄罗斯联邦, Moscow; Moscow

N. Solomonov

North-Eastern Federal University; Institute for Biological Problems of Cryolithozone, Yakutsk Scientific Center, Siberian Branch, Russian Academy of Sciences

Email: alopat@paleo.ru
俄罗斯联邦, Yakutsk; Yakutsk

N. Serdyuk

Borissiak Paleontological Institute, Russian Academy of Sciences

Email: alopat@paleo.ru
俄罗斯联邦, Moscow

E. Maschenko

Borissiak Paleontological Institute, Russian Academy of Sciences

Email: alopat@paleo.ru
俄罗斯联邦, Moscow

D. Mukha

Vavilov Institute of General Genetics, Russian Academy of Sciences

Email: alopat@paleo.ru
俄罗斯联邦, Moscow

A. Agadjanyan

Borissiak Paleontological Institute, Russian Academy of Sciences

Email: alopat@paleo.ru
俄罗斯联邦, Moscow

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