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Temporal range: Middle Jurassic
Pseudotribos BW.jpg
Life restoration of Pseudotribos
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Family: Shuotheriidae
Genus: Pseudotribos
Luo et al., 2007
Species: P. robustus
Binomial name
Pseudotribos robustus
Luo et al., 2007

Pseudotribos ("false chewing") is an extinct genus of mammal that lived in China during the Middle Jurassic some 165 million years ago, more closely related to monotremes than to placental or marsupial mammals,[1] though inversely other studies recover shuotheres are closer to therians than monotremes.[2][3] The only known specimen was found in the Daohygou Formation in Inner Mongolia (41°18′N 119°12′E / 41.3°N 119.2°E / 41.3; 119.2: paleocoordinates 42°36′N 122°24′E / 42.6°N 122.4°E / 42.6; 122.4).[4][5]


  1. ^ Luo, Zhe-Xi; Ji, Qiang; Yuan, Chong-Xi (2007). "Convergent dental adaptations in pseudo-tribosphenic and tribosphenic mammals" (PDF). Nature. 450 (7166): 93–97. Bibcode:2007Natur.450...93L. doi:10.1038/nature06221. PMID 17972884. Retrieved September 2013.  Check date values in: |accessdate= (help)
  2. ^ Rougier, Guillermo W.; Martinelli, Agustín G.; Forasiepi, Analía M.; Novacek, Michael J., New Jurassic mammals from Patagonia, Argentina : a reappraisal of australosphenidan morphology and interrelationships ; American Museum Novitates, no. 3566, 2007
  3. ^ Tom Rich, Patricia Vickers Rich, Palaeobiogeography of Mesozoic Mammals – Revisited, Article · January 2012 DOI: 10.1007/978-90-481-3428-1_32
  4. ^ Pseudotribos robustus in the Paleobiology Database. Retrieved May 2013.
  5. ^ Daohugou (Jurassic of China) in the Paleobiology Database. Retrieved May 2013.

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