Sphenopsalis

Sphenopsalis is a mammal genus from the Paleocene of Central Asia. It was a member of the extinct order of Multituberculata.
For those of a technical inclination, this animal is within the Suborder of Cimolodonta, and a member of the superfamily Taeniolabidoidea.

Genus: Sphenopsalis Matthew WD, Granger W & Simpson GG, 1928

Species: Sphenopsalis nobilis Matthew WD, Granger W & Simpson GG, 1928
Place: Gashato & Nomogen
Country: Mongolia & China
Age: Upper Paleocene
Remarks: The American Museum of Natural History[?], New York, has a specimen in its collection.
Reference: Matthew et al (1928), Paleocene multituberculates from Mongolia. Am. Museum Novitates, 331, p.1-4.

Page reference: Kielan-Jaworowska Z & Hurum JH (2001), Phylogeny and Systematics of multituberculate mammals. Paleontology 44, p.389-429.

(This information is derived from [1] (http://home.arcor.de/ktdykes/taenio.htm) MESOZOIC MAMMALS; Eucosmodontidae, Microcosmodontidae and Taeniolabidoidea, an internet directory. As that's my webpage, there are no issues of copyright. Trevor Dykes)