Simosthenurus occidentalis

Simosthenurus occidentalis is a species of short-faced kangaroo of subfamily Sthenurinae. This kangaroo lived in from the Pliocene until the end of the Pleistocene, becoming extinct around 42,000 years ago.

Like many other Plio-Pleistocene sthenurines, S. occidentalis had a large, short-snouted head and long, slender arms, adapted for reaching, grasping and eating foliage of trees and bushes. This species lived across southern Australia, from the far southwest through to Tasmania.

Simosthenurus occidentalis mounted skeleton at Naracoorte Caves, SA.
Simosthenurus occidentalis mounted skeleton at Naracoorte Caves, SA. Photo from Flickr user ccdoh1, used under permissions https://creativecommons.org/licenses/by-nc-nd/2.0/

Skeletal element: Cranium
Specimen number: WAM 62.8.31
Geological age: Pleistocene
State/territory: Western Australia
Locality/site: Mammoth Cave, Margaret River

Skeletal element: Mandible
Specimen number: WAM 60.10.2
Geological age: Pleistocene
State/territory: Western Australia
Locality/site: Mammoth Cave, Margaret River

Glauert, L. (1910). “The Mammoth Cave”. Records of the Western Australian Museum, 1, 11–36.

Prideaux, G.J. (2004). Systematics and evolution of the sthenurine kangaroo. University of California Press.
DOI: 10.1525/california/9780520098459.001.0001