Geology and lithology of the Tagay-1 section at Olkhon Island (Lake Baikal, Eastern Siberia), and description of Aplodontidae, Mylagaulidae and Sciuridae (Rodentia, Mammalia)

Author:

Daxner-Höck Gudrun,Mörs ThomasORCID,Filinov Ivan,Shchetnikov Alexander,Erbajeva Margarita A.ORCID

Abstract

AbstractExcavations along the Tagay-1 section shed light into the composition of small mammal assemblages of the Tagay site. The present paper focuses on the geology and geomorphology of Olkhon Island, the lithology and fossil evidence along the Tagay-1 section and descriptions of the aplodontid, mylagaulid and sciurid rodents. The described fossils are isolated teeth of four taxa, Ansomys sp. (Aplodontidae), Lamugaulus olkhonensis Tesakov and Lopatin, 2015 (Mylagaulidae), Sciuridae indet. and Spermophilinus debruijni nov. spec. (Sciuridae). The archaic tooth pattern of these rodents suggests an age around the Early/Middle Miocene transition.

Funder

Russian Fund of Basic Research

RFBR-Siberia

Austrian Science Fund

RFBR

Siberian Branch, Russian Academy of Sciences

RSF

Publisher

Springer Science and Business Media LLC

Subject

Paleontology,Geology,Ecology,Ecology, Evolution, Behavior and Systematics,Global and Planetary Change

Reference55 articles.

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