拉达克喜马拉雅地区Kargil组(Ladakh Molasse群)晚渐新世首次记录食虫动物

IF 1.7 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Journal of Asian Earth Sciences: X Pub Date : 2022-12-01 DOI:10.1016/j.jaesx.2022.100105

Wasim A. Wazir , Florentin Cailleux , Ramesh K. Sehgal , Rajeev Patnaik , Navin Kumar , Lars W. van den Hoek Ostende

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引用次数: 0

摘要

拉达克(印度北部)地区的卡吉尔组以其晚渐新世的大型哺乳动物和啮齿动物而闻名。在该地区的新挖掘发现了一个带有三颗前臼齿和两根犬齿的食虫动物的上颌碎片。印度次大陆上的食虫动物的化石记录还很少。根据最后一个前臼齿的特殊形态，拉达克化石可被鉴定为狐猴科的一个新种，Ladakhechinus iugummontis n. gen. n. sp.这一新发现证实了渐新世亚洲刺猬的巨大多样性。

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First record of insectivore from the late Oligocene, Kargil Formation (Ladakh Molasse Group), Ladakh Himalayas

The Kargil Formation in the region of Ladakh (northern India) is known for its late Oligocene mammal fauna of both large mammals and rodents. New excavations in the area yielded a maxillary fragment of an insectivore with three premolars and two roots of a canine. The fossil record of the insectivores on the Indian subcontinent is as yet scanty. Based on the peculiar morphology of the last premolar, the Ladakh fossil could be identified as belonging to a new species of Erinaceinae, Ladakhechinus iugummontis n. gen. n. sp. The new find confirms the large diversity among hedgehogs in Asia during the Oligocene.

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来源期刊

Journal of Asian Earth Sciences: X Earth and Planetary Sciences-Earth-Surface Processes

CiteScore

3.40

自引率

0.00%

发文量

审稿时长

28 weeks