Yantanglestes

{{Short description|Extinct genus of carnivorous mammals}}

{{Automatic taxobox

| fossil_range = {{Fossil range|Early Paleocene|Late Paleocene}}

| image = Yangtanglestes.JPG

| image_caption = Yantanglestes conexus

| taxon = Yantanglestes

| authority = Ideker and Yan, 1980Joe Ideker and Yan De-fa. Vertebrata PalAsiatica, Vol. 18, 1980 "Lestes (Mammalia) a Junior homonym of Lestes (Zygoptera). Pages 138-141" [http://www.ivpp.cas.cn/cbw/gjzdwxb/xbwzxz/200904/W020090813375629921656.pdf paper]

| type_species = †Lestes conexus

| subdivision_ranks = Species

| subdivision =

• Y. conexus (Yan & Tang 1976)
• Y. datangensis (Yan & Tang 1976)
• Y. feiganensis (Chow et al 1973)
• Y. rotundus (Wang 1975)

| synonyms =

• Dissacus feiganensis Chow et al 1973
• Dissacus rotundus Wang 1975
• Lestes Yan & Tang 1976
• Notodissacus conexus Yan & Tang 1978

}}

Yantanglestes is a genus of small, Chinese mesonychid with slender jaws that first appeared during the Early Paleocene in the Thanetian stage. It was found throughout Asia. 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). [http://www.ivpp.cas.cn/cbw/gjzdwxb/xbwzxz/201102/P020110216369453809720.pdf paper] and lived sympatrically with its descendant genera, including Dissacus, Sinonyx and Jiangxia.