Sinopa

Sinopa is an extinct genus of hyaeanodontid that lived during the Eocene to Early Oligocene in United States and Asia.[1]

Sinopa
Temporal range: Eocene–Early Oligocene
Sinopa grangeri skeleton
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: †Creodonta
Family: †Hyaenodontidae
Genus: †Sinopa
Leidy, 1871
Type species
Sinopa rapax
Leidy, 1871
Species
  • S. major Wortman, 1902
  • S. grangeri Matthew, 1906
  • S. jilinia Morlo, Bastl, Wu, and Schaal, 2014
  • S. rapax Leidy, 1871 (Type)

Description
Life restoration

Sinopa was a small hyaenodontid. Its carnassial teeth were the second upper molar and the lower third. Sinopa had an estimated weight of 1.3 to 1.4 kilograms. The type specimen was found in the Bridger formation in Uinta County, Wyoming, and existed 50.3 to 46.2 million years ago.[2]

Taxonomy
Sinopa rapax

The putative African species "Sinopa" ethiopica from Egypt was considered a species of Metasinopa by Savage, 1965, although Holroyd (1994) considered it a potential new genus.[3]

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References
  1. "Sinopa". The Paleobiology Database. Retrieved 3 May 2011.
  2. S. Schaal, M. Morlo, Chen, Y.L and Li C.T. First Asian Sinopa (Proviverrinae, Hyaenodontinae, Creodonta) from the late middle Eocene of Northern China. Journal of Vertebrate Paleontology 27, sup. a 3.
  3. Lewis, M. E., Morlo, M. (2010): Creodonta. – In : Werdelin, L., Sanders, W. (eds), Cenozoic Mammals of Africa. University of California Press, Berkeley, pp. 543–560. https://doi.org/10.1525/california/9780520257214.003.0026
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