Juchilestes
Temporal range: Early Cretaceous,
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: 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 D2607, 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 Thomas Martin et al. 2015[3]

 Eutriconodonta 
Amphilestidae

Phascolotherium

Amphilestes

Amphidontidae

Hakusanodon

Juchilestes

Gobiconodontidae

Spinolestes

Gobiconodon

Repenomamus

Jeholodens

Yanoconodon

Liaoconodon

Volaticotheria

Volaticotherium

Argentoconodon

Triconodontidae

Trioracodon

Triconodon

Priacodon

Arundelconodon

Meiconodon

Astraconodon

Alticonodon

Corviconodon

References

  1. A. V. Lopatin; E. N. Maschenko; 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.
  2. Chun-Ling Gao; Gregory P. Wilson; Zhe-Xi Luo; A. Murat Maga; Qingjin Meng; 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.
  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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