Juchilestes

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Juchilestes
Temporal range: Early Cretaceous, 123.2 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Eutriconodonta
Family: Amphidontidae
Genus: Juchilestes
Gao et al., 2010
Type species
Juchilestes liaoningensis
Gao et al., 2010

Juchilestes is an amphidontid[1] mammal genus from the early Cretaceous (early Aptian stage, 123.2 ± 1.0 Ma). It lived in what is now the Beipiao of western Liaoning, eastern China. It is known from the holotype 2607, which consists of three-dimensionally preserved, partial skull with mandibles and some teeth. It was found in 2004 from the Lujiatun Site of the Yixian Formation (Jehol Biota). It was first named by Chun-Ling Gao, Gregory P. Wilson, Zhe-Xi Luo, A. Murat Maga, Qingjin Meng and Xuri Wang in 2010 and the type species is Juchilestes liaoningensis.[2]

Phylogeny[]

Cladogram after et all 2015[3]

 Eutriconodonta 
Amphilestidae

Phascolotherium

Amphilestes

Amphidontidae

Juchilestes

Gobiconodontidae

Spinolestes

Gobiconodon

Repenomamus

Jeholodens

Yanoconodon

Liaoconodon

Volaticotheria

Volaticotherium

Argentoconodon

Triconodontidae

Trioracodon

Triconodon

Priacodon

Meiconodon

Alticonodon

References[]

  1. ^ A. V. Lopatin, E. N. Maschenko and A. O. Averianov (2010). "A new genus of triconodont mammals from the Early Cretaceous of Western Siberia". Doklady Biological Sciences. 433 (1): 282–285. doi:10.1134/S0012496610040137. PMID 20711878. S2CID 6769651.CS1 maint: uses authors parameter (link)
  2. ^ Chun-Ling Gao, Gregory P. Wilson, Zhe-Xi Luo, A. Murat Maga, Qingjin Meng and Xuri Wang (2010). "A new mammal skull from the Lower Cretaceous of China with implications for the evolution of obtuse-angled molars and 'amphilestid' eutriconodonts". Proceedings of the Royal Society B: Biological Sciences. 277 (1679): 237–246. doi:10.1098/rspb.2009.1014. PMC 2842676. PMID 19726475.CS1 maint: uses authors parameter (link)
  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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