Phlaocyon annectens is an extinct species of the genus Phlaocyon

Phlaocyon

Phlaocyon is an extinct genus of the Borophaginae and a terrestrial canine which inhabited most of North America during the Whitneyan stage of the Early Oligocene through Late Hemingfordian stage of the Early Miocene epoch 33.3—16.3 Mya existing for approximately .-Taxonomy:Phlaocyon was about in...

, 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 endemic to central and western 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 Late Oligocene to Early Miocene

Early Miocene

The Early Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Aquitanian and Burdigalian stages....

 living 24.6—20.8 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

Phlaocyon annectens was named by Peterson (1907). Its type locality is Beardog Hill, which is in a Harrisonian fluvial sandstone in the Upper Harrison Beds Formation of Nebraska. It was recombined as Phlaocyon annectens by Vanderhill (1980) and Wang et al. (1999).

Body mass

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

• Specimen 1 was estimated to weigh 1.81 kg (4 lb).
• Specimen 2 was estimated to weigh 1.87 kg (4.1 lb).

Fossil distribution

• Castolon (TMM 40635), Brewster County, Texas
  Brewster County, Texas
  Brewster County is a county located in western part of the US state of Texas, along the border with Mexico. It is one of the nine counties that comprise the Trans-Pecos region of West Texas. As of the 2000 census, the population is 8,866. In 2009, the population was estimated to be 9,481. Its...
  
   ~24.8—20.6 Ma.
• American Museum-Cook Quarry, Sioux County, Nebraska
  Sioux County, Nebraska
  -National protected areas:* Agate Fossil Beds National Monument* Nebraska National Forest * Oglala National Grassland -Demographics:...
  
   ~24.8—20.6 Ma.
• Van Tassel, Niobrara County, Wyoming ~24.8—20.6 Ma.
• Beardog Hill, Upper Harrison Beds Formation, Sioux County, Nebraska
  Sioux County, Nebraska
  -National protected areas:* Agate Fossil Beds National Monument* Nebraska National Forest * Oglala National Grassland -Demographics:...
  
  ~24.8—20.6 Ma.