Anthracotheriid artiodactyl <i>Anthracokeryx</i> and an upper Eocene age for the Youganwo Formation of southern China
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The two recently collected mammalian dentary fragments from the Eocene Youganwo Formation of Guangdong Province, southern China, are referred to the anthracotheriid species <i>Anthracokeryx naduongensis</i> 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 <i>Lunania</i>. <i>Anthracokeryx naduongensis</i> 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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Jianhua Jin创建时间：
2017-12-30
