''Yantanglestes'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of small, Chinese mesonychid with slender jaws that first appeared during the Early Paleocene in the Thanetian stage. It was found throughout

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

. It is the oldest known mesonychid. ''Yantanglestes'' became extinct during the Nongshanian division of the Late 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
/ref> and lived sympatrically with its descendant genera, including '' Dissacus'', '' Sinonyx'' and '' Jiangxia''.

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Science
Mesonychids Paleocene mammals Thanetian life Paleocene mammals of Asia Paleogene China Prehistoric animals of China Fossil taxa described in 1980 Prehistoric placental genera {{paleo-mammal-stub