Dinofelis paleoonca is a species of saber-toothed cat

Saber-toothed cat

Saber-toothed cat or Sabre-toothed cat refers to the extinct subfamilies of Machairodontinae , Barbourofelidae , and Nimravidae as well as two families related to marsupials that were found worldwide from the Eocene Epoch to the end of the Pleistocene Epoch ,...

s belonging to the tribe Metailurini

Metailurini

Metailurini is an extinct tribe of large saber-toothed cats of the subfamily Felinae, that lived in Africa, Asia, Europe, and North America during the Miocene to Pleistocene living from 11.610 mya—11,000 years ago, existing for approximately ....

 of the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Felidae

Felidae

Felidae is the biological family of the cats; a member of this family is called a felid. Felids are the strictest carnivores of the thirteen terrestrial families in the order Carnivora, although the three families of marine mammals comprising the superfamily pinnipedia are as carnivorous as the...

endemic to North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 during the Pliocene

Pliocene

The Pliocene Epoch is the period in the geologic timescale that extends from 5.332 million to 2.588 million years before present. It is the second and youngest epoch of the Neogene Period in the Cenozoic Era. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch...

 living from 4.9—1.8 mya, existing for approximately .

Taxonomy

Dinofelis paleoonca was named by Meade (1945). Its type locality is Meade's Quarry 11, which is in a Blancan terrestrial horizon in the Blanco Formation of Texas. It was recombined as Dinofelis palaeoonca by Kurten (1972), Hemmer (1973), Dalquest (1975), Kurten and Anderson (1980), Schultz (1990) and Werdelin and Lewis (2001).

Body mass

Two specimens were examined by Legendre and Roth for body mass The first specimen was estimated to have a weight of 31.4 kg (69.2 lb). The second was estimated to have a weight of 87.8 kg (193.6 lb).