Yantanglestes is a genus of small, Chinese mesonychid with slender jaws that first appeared during the Early Paleocene. It was found throughout Asia. It is the oldest known mesonychid. Yantanglestes became extinct during the Nongshanian division of the Middle Paleocene,Missiaen, Pieter. "亚洲早古近纪哺乳动物生物年代学与生物地理学的新认识."古脊椎动物学报 49.1 (2011). paper and lived sympatrically with its descendant genera, including Dissacus, Sinonyx and Jiangxia.
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External links Science