Desmocyon

Desmocyon
Desmocyon
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Carnivoramorpha
Family: †Borophaginae
Genus: †Cormocyon
(Wang and Tedford, 1992)
Type species
†
Species
  • †D. matthewi
  • †D. thomsoni
Range of Desmocyon based on fossil distribution

Desmocyon is an extinct genus of the Borophaginae and a terrestrial canine which inhabited most of North America during the Harrisonian stage of the Late Oligocene through Early Hemingfordian stage of the Early Miocene epoch living 24.8—16.3 Mya existing for approximately 8.5 mya.[1]

Contents

Fossil record

It is a rarely found genus, with fossil deposits only occurring in western Nebraska, Wyoming, New Mexico and north Florida. Desmocyon contains two species: Desmocyon matthewi and Desmocyon thomsoni. It was first named by Wang in 1999.

Morphology

Fossil specimens of two individuals' body mass were examined by Legendre and Roth. The first specimen was estimated to weigh 5.67 kg (13 lb). The second specimen was estimated to weigh 5.52 kg (12 lb).[2]

Sister genera

Cormocyon, Euoplocyon, Metatomarctus, Microtomarctus, Protomarctus, Psalidocyon, and Tephrocyon

References

  1. ^ PaleoBiology Database: Cormocyon Taxonomy, Species
  2. ^ S. Legendre and C. Roth. 1988. Correlation of carnassial tooth size and body weight in recent carnivores (Mammalia). Historical Biology

General references

  • Xiaoming Wang, Richard H. Tedford, Mauricio Antón, Dogs: Their Fossil Relatives and Evolutionary History, New York : Columbia University Press, 2008; ISBN 978-0-231-13528-3
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