Cynarctoides luskensis

Cynarctoides luskensis Temporal range: Late Oligocene–Miocene PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Family:	Canidae
Subfamily:	†Borophaginae
Tribe:	†Phlaocyonini
Genus:	†Cynarctoides
Species:	Cynarctoides luskensis
Range of Cynarctoides luskensis based on fossil record

Cynarctoides luskensis is an extinct species of Cynarctoides, belonging to the subfamily Borophaginae and tribe Phlaocyonini, a canid endemic to west central North America from the Late Oligocene to Miocene epoch living 24.8—20.6 Ma and existed for approximately 4.2 million years.

Taxonomy

Cynarctoides luskensis was named by Xiaoming Wang, Richard H. Tedford, et al. (1999). Its type locality is Eighteen Mile District, which is in a Harrisonian terrestrial horizon in Wyoming.^[1]

Morphology

Body mass

Two specimens were examined by Legendre and Roth for body mass.^[2]

• Specimen 1 was estimated to weigh 0.971 kg (2.1 lb).
• Specimen 2 was estimated to weigh 1.03 kg (2.3 lb).

Fossil distribution

• Eighteen Mile District, Goshen County, Wyoming ~24.8—20.6 Ma.
• Jay Em Site, Goshen County, Wyoming ~24.8—20.6 Ma.
• Chugwater Site, Platte County, Wyoming ~24.8—20.6 Ma.

References

1. Phylogentic Systematic of the Borophanginae, X. Wang, 1999 Archived March 20, 2007, at the Wayback Machine.
2. S. Legendre and C. Roth. 1988. Correlation of carnassial tooth size and body weight in recent carnivores (Mammalia). Historical Biology

• Martin, L.D. 1989. Fossil history of the terrestrial carnivora. Pages 536 - 568 in J.L. Gittleman, editor. Carnivore Behavior, Ecology, and Evolution, Vol. 1. Comstock Publishing Associates: Ithaca.
• - PaleoDataBase - Cynarctoides luskensis