Lohoodon
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''Lohoodon'' is a genus of
mesonychid Mesonychidae (meaning "middle claws") is an extinct family of small to large-sized omnivorous-carnivorous mammals. They were endemic to North America and Eurasia during the Early Paleocene to the Early Oligocene, and were the earliest group of la ...
mesonychians which lived during the
Lutetian The Lutetian is, in the geologic timescale, a stage (stratigraphy), stage or age (geology), age in the Eocene. It spans the time between . The Lutetian is preceded by the Ypresian and is followed by the Bartonian. Together with the Bartonian it ...
https://chinalex.geolex.org/formations/Lushi%20Fm Epoch of the Middle
Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...
. Fossils of ''Lohoodon'' are found in middle Eocene-aged Lushi Formation in the Lushi Basin,
Henan Henan; alternatively Honan is a province in Central China. Henan is home to many heritage sites, including Yinxu, the ruins of the final capital of the Shang dynasty () and the Shaolin Temple. Four of the historical capitals of China, Lu ...
Province,
China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
.Xiaoyuan Zhou, Renjie Zhai, Gingerich, P. D., & Liezu Chen. (1995). Skull of a New Mesonychid (Mammalia, Mesonychia) from the Late Paleocene of China. Journal of Vertebrate Paleontology, 15(2), 387–400. http://www.jstor.org/stable/4523638 ''Lohoodon'' was originally described as a large hapalodectid, first as an "undescribed species of '' Hapalodectes''," then later as "''Hapalodectes lushiensis''," on the basis of teeth and jaw fragments very similar to ''Hapalodectes'', but suggesting an animal comparable in size to ''
Mesonyx ''Mesonyx'' ("middle claw") is a genus of extinct mesonychid mesonychian mammal. Fossils of the various species are found in Early to Late Eocene-age strata in the United States and Early Eocene-aged strata in China, 51.8—51.7 Ma ( AEO). De ...
''. In 1987, Ting & Li refer ''Lohoodon'' and '' Metahapalodectes'' to Mesonychidae due to the lower molar teeth of both genera lacking a re-entrant groove on the mesial or anterior side, a feature diagnostic of Hapalodectidae.SolÚ, FlorÚal, et al. "The first species of Hapalodectes (Mesonychia, Mammalia) from the middle Paleocene of China (Qianshan Basin, Anhui Province) sheds light on the initial radiation of hapalodectids." Palaeontology 60.3 (2017): 433-449.TING and L I , C. K. 1987. The skull of Hapalodectes (Acreodi, Mammalia), with notes on some Chinese Paleocene mesonychids. Vertebrata PalAsiatica, 25, 161–186.


Species

*Genus ''Lohoodon'' **''L. lushiensis''


References


External links


Ancient Nature
Mesonychia Eocene mammals of Asia Prehistoric placental genera {{paleo-mammal-stub