Cynarctoides emryi is an extinct species of Cynarctoides

Cynarctoides

Cynarctoides is an extinct genus of terrestrial canine of the family Borophaginae and tribe Phlaocyonini which inhabited most of North America during the Whitneyan stage of the Early Oligocene to the Barstovian stage of the Middle Miocene 33.3—13.6 Mya existing approximately .-Origin:Cynarctoides...

, belonging to the subfamily Borophaginae

Borophaginae

The subfamily Borophaginae is an extinct group of canids called "bone crushing dogs" that were endemic to North America during the Oligocene to Pliocene and lived roughly 36—2.5 million years ago and existing for approximately .-Origin:...

 and tribe Phlaocyonini

Phlaocyonini

Phlaocyonini † is a hypocarnivorous clade or tribe of Borophaginae. This is an extinct group of canids that were endemic to North America and which lived during the Oligocene epoch to the Miocene living ~33.3–5.3 Ma, existing for approximately . PhlaocyoniniThe clade includes Cynarctoides and...

, a canid which inhabited most of west central 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...

 from the Miocene

Miocene

The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...

 epoch (Hemingfordian stage) living 23.0–5.3 mya

Anum

Anum is an Akan town in the Asuogyaman District of Eastern Ghana, across from the Volta Lake.an...

 and existed for approximately .

Taxonomy

Cynarctoides emryi was named by Xiaoming Wang

Xiaoming Wang

Xiaoming Wang is a noted paleontologist and geologist born in People's Republic of China living in the United States.-Area of expertise:Dr. Wang specializes in the fossil evolution, systematics, and phylogeny of mammals of the Cenozoic...

 et al. (1999). It was discovered at the Hemingford Quarry 7B site, which is in a Hemingfordian terrestrial horizon in the Runningwater Formation.

Body mass

Two specimens were examined by Legendre and Roth for body mass.

• Specimen 1 was estimated to weigh 1.29 kg (2.8 lb).
• Specimen 2 was estimated to weigh 1.36 kg (3 lb).

Fossil distribution

• Hemingford Quarry 7B, Runningwater Formation, Box Butte County, Nebraska
  Box Butte County, Nebraska
  -Demographics:As of the census of 2000, there were 12,158 people, 4,780 households, and 3,298 families residing in the county. The population density was 11 people per square mile . There were 5,488 housing units at an average density of 5 per square mile...
  
   ~23.0–5.3 Ma.
• Wood's Canyon Quarry, Runningwater Formation, Dawes County, Nebraska
  Dawes County, Nebraska
  -National protected areas:*Nebraska National Forest *Oglala National Grassland *Pine Ridge National Recreation Area-Demographics:As of the census of 2000, there were 9,060 people, 3,512 households, and 2,086 families residing in the county. The population density was 6 people per square mile...
  
  ~20.6–16.3 Ma.