Amphilagus plicadentis (Lagomorpha, Mammalia) from the Tagay locality (Olkhon Island, Baikal region, Eastern Siberia)

Author:

Erbajeva Margarita A.ORCID,Daxner-Höck Gudrun,Mörs ThomasORCID

Abstract

AbstractNew excavations in the Tagay locality have revealed the presence of Amphilagus plicadentis Erbajeva, 2013, which belongs to the palaeolagine Lagomorpha rather than leporids, previously referred to Procaprolagus sp. (Logachev et al., 1964). Herein, we report a comprehensive morphological description of this species and compare it with the other known species of the genus Amphilagus. The Tagay lagomorph is conspecific with the Early Miocene species Amphilagus plicadentis found at locality Unkheltseg (UNCH-A) (biozone D; Early Miocene) in the Valley of Lakes, Central Mongolia. The Tagay specimens suggest a more advanced evolutionary stage of A. plicadentis and an age around Early/Middle Miocene transition.

Funder

Russian Fund of Basic Research

RFBR-Siberia

Austrian Science Fund

Publisher

Springer Science and Business Media LLC

Subject

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

Reference33 articles.

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2. Angelone, C. (2009b). Lagomorphs from the Miocene of Sandelzhausen (southern Germany). Paläontologische Zeitschrift, 83(1), 67-75. https://doi.org/10.1007/s12542-009-0010-z.

3. Daxner-Höck, G., Mörs, T., Filinov, I.A., Shchetnikov, A.A., & Erbajeva, M.A. (2022a). Geology and lithology of the Tagay-1 section at Olkhon Island (Lake Baikal, Eastern Siberia), and description of Aplodontidae, Mylagaulidae and Sciuridae (Rodentia, Mammalia). In G. Daxner-Höck, & A. A. Shchetnikov (Eds.), The Miocene Tagay locality of Olkhon Island (Lake Baikal, Eastern Siberia) – a multidisciplinary approach. Palaeobiodiversity and Palaeoenvironments. https://doi.org/10.1007/s12549-022-00548-w. [this issue]

4. Daxner-Höck, G., Mörs, T., Filinov, I.A., Shchetnikov, A.A., Bayarmaa, B., Namzalova, O., & Erbajeva, M.A. (2022b). Gliridae and Eomyidae (Rodentia) of the Miocene Tagay fauna (Olkhon Island, Lake Baikal, Eastern Siberia). In G. Daxner-Höck, & A. A. Shchetnikov (Eds.), The Miocene Tagay locality of Olkhon Island (Lake Baikal, Eastern Siberia) – a multidisciplinary approach. Palaeobiodiversity and Palaeoenvironments. https://doi.org/10.1007/s12549-022-00551-1. [this issue]

5. Daxner-Höck, G., Mörs, T., López-Guerrero, P., & Erbajeva, M.A. (2022c). Cricetodontinae (Rodentia, Mammalia) of the Miocene Tagay fauna (Olkhon Island, Lake Baikal, Eastern Siberia). In G. Daxner-Höck, & A. A. Shchetnikov (Eds.), The Miocene Tagay locality of Olkhon Island (Lake Baikal, Eastern Siberia) – a multidisciplinary approach. Palaeobiodiversity and Palaeoenvironments. https://doi.org/10.1007/s12549-022-00553-z. [this issue]

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