Liaoconodon

Liaoconodon; Temporal range: Aptian, 120 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Eutriconodonta
Genus:	†Liaoconodon; Meng, Wang & Li, 2011
Species
	†L. hui Meng, Wang & Li, 2011 (type);

Liaoconodon is an extinct genus of early mammal from the early Cretaceous (early Aptian stage, approximately 120 Ma). It is a eutriconodont which lived in what is now the Jianchang of Liaoning Province, eastern China. It is known from the holotype IVPP V 16051, which consists of nearly complete skeleton and skull. It was found in the Jiufotang Formation (Jehol Biota) near Xiaotaizi, . It was first named by Jin Meng, Yuanqing Wang and Chuankui Li in 2011 and the type species is Liaoconodon hui.^[1]

Studies on its anatomy show that it was a semi-aquatic mammal, having a long body and paddle-like limbs.^[2]

Phylogeny[]

Cladogram after et all 2015^[3]

Eutriconodonta

Amphilestidae

	Phascolotherium

	Amphilestes

Amphidontidae



	Juchilestes

Gobiconodontidae

Spinolestes

	Gobiconodon

	Repenomamus

Jeholodens

Yanoconodon

Liaoconodon

Volaticotheria

	Volaticotherium

	Argentoconodon

	Alticonodon

References[]

^ Jin Meng, Yuanqing Wang and Chuankui Li (2011). "Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont". Nature. 472 (7342): 181–185. doi:10.1038/nature09921. PMID 21490668.
^ Meng Chen, Gregory Philip Wilson, A multivariate approach to infer locomotor modes in Mesozoic mammals, Article in Paleobiology 41(02) · February 2015 doi:10.1017/pab.2014.14
^ Thomas Martin, Jesús Marugán-Lobón, Romain Vullo, Hugo Martín-Abad, Zhe-Xi Luo & Angela D. Buscalioni (2015). A Cretaceous eutriconodont and integument evolution in early mammals. Nature 526, 380–384. doi:10.1038/nature14905

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[Liaoconodon2011-1] Jin Meng, Yuanqing Wang and Chuankui Li (2011). "Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont". Nature. 472 (7342): 181–185. doi:10.1038/nature09921. PMID 21490668.

[2] Meng Chen, Gregory Philip Wilson, A multivariate approach to infer locomotor modes in Mesozoic mammals, Article in Paleobiology 41(02) · February 2015 doi:10.1017/pab.2014.14

[3] Thomas Martin, Jesús Marugán-Lobón, Romain Vullo, Hugo Martín-Abad, Zhe-Xi Luo & Angela D. Buscalioni (2015). A Cretaceous eutriconodont and integument evolution in early mammals. Nature 526, 380–384. doi:10.1038/nature14905

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