Triconodontidae

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Triconodontidae
Temporal range: Jurassic - Creataceous
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Subclass: Allotheria
Order: Triconodonta
Family: Triconodontidae
Marsh, 1887
Genera

Triconodontidae is an extinct family of actively mobile mammal, endemic to what would be North America, Europe, and Africa during the Jurassic through Cretaceous periods from 155.7—70.6 mya, existing for approximately 85.1 million years.[1]

[edit] Taxonomy

Triconodontidae was named by Marsh (1887). It was assigned to Polyprotodontia by Cope (1889); to Triconodonta by Rasmussen and Callison (1981), Bonaparte (1986), Carroll (1988) and Engelmann and Callison (1998); and to Mammalia by Marsh (1887) and Luo et al. (2001).[2]

[edit] Phylogeny

Cladogram after Marisol Montellano, James A. Hopson, James M. Clark (2008)[3] and Gao et al. (2010).[4]

 Triconodontidae

Priacodon




Victoriaconodon





Triconodon



Trioracodon





Arundeloconodon




Astroconodon




Alticonodon



Corvicondodon








[edit] References

  1. ^ PaleoBiology Database: Triconodontidae, basic info
  2. ^ Luo Z.-X., Crompton A. W., Sun A.-L. (2001). "A new mammaliaform from the Early Jurassic and evolution of mammalian characteristics". Science 292 (5521): 1535–1540. doi:10.1126/science.1058476. PMID 11375489. 
  3. ^ Marisol Montellano, James A. Hopson, James M. Clark (2008). "Late Early Jurassic Mammaliaforms from Huizachal Canyon, Tamaulipas, México". Journal of Vertebrate Paleontology 28 (4): 1130–1143. doi:10.1671/0272-4634-28.4.1130. http://www.bioone.org/doi/abs/10.1671/0272-4634-28.4.1130. 
  4. ^ 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. http://rspb.royalsocietypublishing.org/content/277/1679/237.abstract. 


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