Biology:Bienotherium

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Short description: Extinct genus of mammaliamorphs


Bienotherium
Temporal range: Hettangian–Sinemurian
Bienotherium yunnanense.JPG
Bienotherium yuannanese
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Family: Tritylodontidae
Genus: Bienotherium
Young, 1940[1]
Species
Synonyms
  • B. elegans (B. yuannanese)[2]

Bienotherium is an extinct genus of cynodonts from the Early Jurassic of China discovered by Bian Meinian (Mei Nien Bien).[2] Despite its size, it is closely related to Lufengia, and is the largest tritylodont from the Lufeng Formation in China.[3]

Bienotherium had four incisors, no canines, and back molar-like teeth, which it used to chew tough plant material.[4]

Description

Bienotherium is defined as being big and robust compared to other tritylodonts, and also by exposed maxillaries in the skull, an unusually long diastema and thin zygomatic bone.[3]

References

  1. 1.0 1.1 "The Paleobiology Database". http://flatpebble.nceas.ucsb.edu/cgi-bin/bridge.pl?action=basicTaxonInfo&taxon_no=39209. 
  2. 2.0 2.1 2.2 "Palæos Vertebrates". http://www.palaeos.com/Vertebrates/Units/410Cynodontia/410.400.html. 
  3. 3.0 3.1 Lucas, Spencer G. (2001). Chinese Fossil Vertebrates. New York City , Chichester, West Sussex: Columbia University Press. p. 133. ISBN 0-231-08482-X. https://books.google.com/books?id=PSSRWCbm7gEC&q=Bienotherium&pg=PA133. Retrieved May 24, 2010. 
  4. Blount, Kitty; Crowley, Maggie; Bada, Kathleen et al., eds (2008). Encyclopedia of Dinosaurs and Other Prehistoric Life. New York City: DK Publishing Special Markets. p. 203. ISBN 978-0-7566-3836-8. 

Further reading

Chinese Fossil Vertebrates, p. 133


Wikidata ☰ Q3281313 entry