Biology Bulletin, volume 50, issue 8, pages 2067-2080
Fossil Fauna of Small Mammals from Imanay Cave, Southern Urals, Russia
Publication type: Journal Article
Publication date: 2023-12-13
Journal:
Biology Bulletin
Quartile SCImago
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Quartile WOS
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Impact factor: 0.5
ISSN: 10623590, 16083059
General Biochemistry, Genetics and Molecular Biology
General Agricultural and Biological Sciences
Abstract
The fossil fauna of small mammals from the Imanay cave deposits (53°02′ N, 56°26′ E), Southern Urals, Russia, was studied. Species of open habitats prevailed, the narrow-headed vole (Microtus (Stenocranius) gregalis) being dominant. Two types of fauna were identified that characterize its composition and structure at the end of the Late Pleistocene and, presumably, in the Early Holocene. A codominant species of the first type of fauna (lower and middle cave deposits) was the steppe lemming (Lagurus lagurus). This type was characterized by a sharp predominance (83.0–92.2%) of steppe species and a low proportion (1.5–3.9%) of forest mammal species. Open landscapes must have dominated and been common in the Late Glacial in the southern part of the Ural Mountains. The pika (Ochotona sp.) co-dominated in the fauna of the second type (upper cave deposits), with relatively high proportions of forest species (14.3–21.4%) indicating the appearance of forest formations in the Late Glacial or Early Holocene in this area. Samples of the first lower molars of narrow-headed voles were characterized by a high proportion of teeth (>50%) with simple variants of the structure of the anteroconid cap (“gregaloid” morphotype). High proportions (up to 51.6%) of the “transiens” morphotype were recorded among the first lower molars of the steppe lemming. Among the teeth in the lower half of the cave deposits, rootless cemented first lower molars (m1) and third upper molars (M3) were found with wide merging triangles T4–T5 (m1) and T2–T (M3). This structure of the chewing surface of the molars was typical of the ancient voles Microtus (Stenocranius) gregaloides and M. (Terricola) arvalidens from the fauna of the first half of the Early Pleistocene and the second half of the Middle Pleistocene.
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Fadeeva T. V. et al. Fossil Fauna of Small Mammals from Imanay Cave, Southern Urals, Russia // Biology Bulletin. 2023. Vol. 50. No. 8. pp. 2067-2080.
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Fadeeva T. V., Gimranov D. O., Kosintsev P. A., Yakovlev A. G. Fossil Fauna of Small Mammals from Imanay Cave, Southern Urals, Russia // Biology Bulletin. 2023. Vol. 50. No. 8. pp. 2067-2080.
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TY - JOUR
DO - 10.1134/s106235902308006x
UR - https://doi.org/10.1134%2Fs106235902308006x
TI - Fossil Fauna of Small Mammals from Imanay Cave, Southern Urals, Russia
T2 - Biology Bulletin
AU - Fadeeva, T V
AU - Gimranov, D. O.
AU - Kosintsev, P. A.
AU - Yakovlev, A G
PY - 2023
DA - 2023/12/13 00:00:00
PB - Pleiades Publishing
SP - 2067-2080
IS - 8
VL - 50
SN - 1062-3590
SN - 1608-3059
ER -
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@article{2023_Fadeeva,
author = {T V Fadeeva and D. O. Gimranov and P. A. Kosintsev and A G Yakovlev},
title = {Fossil Fauna of Small Mammals from Imanay Cave, Southern Urals, Russia},
journal = {Biology Bulletin},
year = {2023},
volume = {50},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134%2Fs106235902308006x},
number = {8},
pages = {2067--2080},
doi = {10.1134/s106235902308006x}
}
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Fadeeva, T. V., et al. “Fossil Fauna of Small Mammals from Imanay Cave, Southern Urals, Russia.” Biology Bulletin, vol. 50, no. 8, Dec. 2023, pp. 2067-2080. https://doi.org/10.1134%2Fs106235902308006x.
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