Anthracotheriid artiodactyl Anthracokeryx and an upper Eocene age for the Youganwo Formation of southern China |
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| Authors: | Alexander Averianov Ekaterina Obraztsova Igor Danilov Jianhua Jin |
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| Institution: | 1. State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China;2. Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia;3. Institute of Geology and Petroleum Technology, Kazan Federal University, Kazan, Russiadzharakuduk@mail.ru https://orcid.org/0000-0001-5948-0799;5. Biological Faculty, Department of Vertebrate Zoology, Saint Petersburg State University, St. Petersburg, Russia;6. Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russiahttps://orcid.org/0000-0002-3854-1369 |
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| Abstract: | AbstractThe two recently collected mammalian dentary fragments from the Eocene Youganwo Formation of Guangdong Province, southern China, are referred to the anthracotheriid species Anthracokeryx naduongensis based on phylogenetic analysis and size comparison. One of these specimens (SYSU-M-1) is the first mammal fossil described from the Youganwo Formation. It was attributed previously to the perissodactyl genus Lunania. Anthracokeryx naduongensis was described originally from the lower upper Eocene Na Duong Formation in Northern Vietnam. The second record of this species supports a basal upper Eocene correlation for the Youganwo Formation, which was estimated previously as middle or late Eocene. |
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| Keywords: | Mammalia Artiodactyla Anthracotheriidae Eocene China Maoming |
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![ORCID Icon]({"type":"image","src":"/templates/jsp/images/orcid.png"} "ORCID Icon")
https://orcid.org/0000-0001-5948-0799;5. Biological Faculty, Department of Vertebrate Zoology, Saint Petersburg State University, St. Petersburg, Russia;6. Zoological Institute of the Russian Academy of Sciences, St. Petersburg, Russia