Frozen Mummy of a Subadult Woolly Rhinoceros Coelodonta antiquitatis (Blumenbach, 1799) from the Late Pleistocene of Yakutia

IF 0.7 4区地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Doklady Earth Sciences Pub Date : 2024-07-01 DOI:10.1134/s1028334x24602438

G. G. Boeskorov, O. F. Chernova, A. V. Protopopov, A. N. Neretina, M. V. Shchelchkova, R. I. Belyaev, A. A. Kotov

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Abstract

In this study we describe a newly found frozen mummy of a young woolly rhinoceros (4–4.5 years old), dated to the Karginian Interstadial of the Late Neopleistocene (32 440 ± 140 years ago). The dimensional characteristics of this specimen are compared to those of 1- to 1.5-year-old juvenile, as well as adults, of Coelodonta antiquitatis found previously. Studies of the new find allowed to fill some of the information gaps concerning the features of the ontogenesis of the woolly rhinoceros, illustrate age-related changes in the color of its fur, and reveal a new anatomical peculiarity of C. antiquitatis—the presence of a fatty hump. Numerous remains of microscopic crustaceans were found in the wool, including representatives of the genus Moina (Cladocera: Moinidae), currently absent in the region. The latter were relatively common in Pleistocene temporary water bodies of Yakutia. The carcass of the rhinoceros was buried in a shallow (apparently temporary), fishless reservoir.

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来自雅库特晚更新世的亚成年毛犀牛 Coelodonta antiquitatis (Blumenbach, 1799) 的冰冻木乃伊

摘要在这项研究中，我们描述了一具新发现的年轻毛犀（4-4.5 岁）的冷冻木乃伊，其年代为新始新世晚期的卡金期（32 440 ± 140 年前）。该标本的尺寸特征与之前发现的 1 至 1.5 岁的古蟠龙幼体和成体进行了比较。对这一新发现的研究填补了毛犀牛个体发育特征方面的一些信息空白，说明了毛皮颜色与年龄有关的变化，并揭示了 C. antiquitatis 的一个新的解剖学特征--脂肪驼峰的存在。在羊毛中发现了大量微小甲壳类动物的残骸，其中包括目前在该地区尚不存在的莫伊纳属（Cladocera: Moinidae）的代表。后者在雅库特的更新世临时水体中比较常见。犀牛的尸体被埋在一个浅水（显然是临时的）无鱼水库中。

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来源期刊

Doklady Earth Sciences 地学-地球科学综合

CiteScore

1.40

自引率

22.20%

发文量

138

审稿时长

3-6 weeks

期刊介绍： Doklady Earth Sciences is a journal that publishes new research in Earth science of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.