Abstract
The first finds of the fossil remains of the members of the genus Chodsigoa outside China are described from the Pleistocene of northern Vietnam. They are assigned to C. caovansunga Lunde, Musser et Son, 2003 (a maxillary fragment with A3–M3, an isolated M1, and a dentary with I1 and P4–M2) from the Middle Pleistocene of the Tham Hai cave (Lang Son Province) and C. hoffmanni Chen et al., 2017 (a maxillary fragment with P4–M2) from the Upper Pleistocene of the Lang Trang cave (Thanh Hoa Province). The described specimens are the first fossil finds of these species. They indicate that representatives of the genus Chodsigoa in Vietnam spread to the south much further in the Pleistocene than today.
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ACKNOWLEDGMENTS
The author thanks E.N. Maschenko, N.V. Serdyuk, N.V. Volkova, A.A. Lozovsky, B.I. Morkovin, A.V. Podlesnov (PIN), I.V. Golovachev (Astrakhan State University), Le Xuan Dac and Pham Mai Phuong (Institute of Tropical Ecology of the Joint Russian–Vietnamese Tropical Scientific and Technological Center, Hanoi) for taking part in the collection of fossil material in 2021, A.N. Kuznetsov and S.P. Kuznetsova (Tropical Center) for their help in organizing the expedition, A.O. Averianov (Zoological Institute, Russian Academy of Sciences), and S.V. Kruskop (Zoological Museum of the Moscow State University) for providing access to collection specimens of extant representatives of Chodsigoa, and R.A. Rakitov (PIN) for his help in preparing scanning electron microscope photographs.
Funding
This study was performed in the framework of the work of the Joint Russian–Vietnamese Tropical Scientific and Technological Center, research project “The Composition of the Fauna of Primates (Cercopithecidae, Pongidae) and Rodents (Rodentia) of the Pleistocene and Holocene of Vietnam as an Indicator of Environmental Change.”
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Translated by D. Ponomarenko
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Lopatin, A.V. Shrews of the Genus Chodsigoa (Soricidae, Lipotyphla) from the Pleistocene of Vietnam. Dokl Biol Sci 502, 15–20 (2022). https://doi.org/10.1134/S0012496622010070
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DOI: https://doi.org/10.1134/S0012496622010070