title: Dinaelurus
text: # Dinaelurus
  
  Dinaelurus is a genus of the Nimravidae, an extinct family of feliform mammalian carnivores, also known as "false saber-toothed cats". Assigned to subfamily Nimravinae, Dinaelurus was endemic to North America during the Eocene-Oligocene epochs (30.8—20.6 mya), existing for approximately 10.2 million years.
  
  ## Taxonomy
  
  Dinaelurus was named by George Francis Eaton (1922). Its type is Dinaelurus crassus. It was assigned to Nimravinae by Flynn and Galiano (1982) and Bryant (1991); and to Nimravidae by Eaton (1922) and Larry D. Martin (1998).
  
  ## Fossil distribution
  
  One specimen was found in the John Day Formation in Oregon and was described by Eaton in 1922.
  
  ## Description
  
  Dinaelurus had a skull extremely broad for its length and had conical teeth; it could exhibit little or no development of sabertooth features and had more rounded cheek teeth with no serrated ridges. It had a relatively gracile skeleton. Martin hypothesizes that it had digitigrade feet.
  
  ## Behavior
  
  It is believed that Dinaelurus was a cursorial predator, meaning it ran down its prey. This is suggested by the nimravid's short face and large nostrils, similar to those of a cheetah, which is also a cursorial predator, as Martin suggests.
  
  ## Sources
  
  * ↑ PaleoBiology Database: Dinaelurus, basic info
  * ↑ Flynn, John J. and Henry Galiano. 1982. Phylogeny of early Tertiary Carnivora, with a description of a new species of Protictis from the middle Eocene of northwestern Wyoming. American Museum Novitates.
  * ↑ Martin, Larry D. 1998. "Nimravidae." In Christine M. Janis, Kathleen M. Scott, Louis L. Jacobs (eds.), Evolution of Tertiary Mammals of North America. Cambridge, England: Cambridge University Press. 2 volumes (1998-2008).
  * 1 2 Bryant, Harold N. (1996). "Nimravidae". In Donald R. Prothero and Robert J. Emry (ed.). The Terrestrial Eocene-Oligocene Transition in North America. Cambridge, England: Cambridge University Press. p. 468. ISBN 0521433878.
  * 1 2 Martin 1998, p. 228.
  * https://web.archive.org/web/20080620030107/http://home.earthlink.net/~ratha13/id5.html
  * https://archive.today/20130201060334/http://www.rathascourage.com/research.html
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