Ischyrocyon gidleyi Matthew 1902 (bear-dog)

Mammalia - Carnivora - Amphicyonidae

Alternative combinations: Dinocyon (Borophagus) gidleyi, Dinocyon gidleyi, Pliocyon gidleyi

Synonyms: Hadrocyon mohavensis Stock and Furlong 1926, Ischyrocyon hyaenodus Matthew and Gidley 1904, Ischyrocyon mohavensis Stock and Furlong 1926, Pliocyon walkerae Johnston and Christian 1941

Belongs to Ischyrocyon according to S. R. May 2019

See also Hunt 1998, Johnston and Christian 1941, Matthew 1902, Matthew 1924, Matthew and Gidley 1904, Schultz 1990, Stock and Furlong 1926, Webb 1969 and Whistler and Burbank 1992

Sister taxa: none

Type specimens:

  • Ischyrocyon gidleyi: AMNH 10671, a partial skeleton (skull and partial skeleton). Its type locality is Skillet Creek, which is in a Miocene terrestrial horizon in Texas.
  • Hadrocyon mohavensis: Its type locality is Iron Canyon (Lower), which is in a Clarendonian terrestrial horizon in the Dove Spring Formation of California.
  • Ischyrocyon hyaenodus: AMNH 10802, a mandible (juvenile mandible with nearly complete dentition).
  • Pliocyon walkerae: Panhandle Plains Historical Society Museum no. 2155, a skull (skull and lower jaws). Its type locality is Adam Risley Ranch, which is in a Miocene fluvial sandstone in Texas.

Ecology: ground dwelling carnivore


• Miocene of United States (15: California, Nebraska, South Dakota, Texas collections)

Total: 15 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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