Pogonodon platycopis compared to Hoplophoneus

Pogonodon platycopis Cope 1879 (false sabre-tooth)

See also Eaton 1922, Fremd et al. 1994, Macdonald 1970, Matthew 1910, Scott and Jepsen 1936 and Thorpe 1920

Sister taxon: Pogonodon eileenae

Type specimens:

• Pogonodon platycopis: Its type locality is John Day Units E and F, which is in an Arikareean terrestrial horizon in the John Day Formation of Oregon
  

Ecology: ground dwelling carnivore

Age range: 30.8 to 20.43 Ma

Distribution: found only at John Day Units E and F, also known as Upper Foree Section

Where: Wheeler County, Oregon (44.7° N, 119.6° W: paleocoordinates 44.4° N, 110.7° W)

Date Range: John Day Formation, Arikareean (30.8 - 20.43 Ma)

Hoplophoneus mentalis Sinclair 1921 (false sabre-tooth)

Full reference: W. J. Sinclair. 1921. A new Hoplophoneus from the Titanotherium Beds. Proceedings of the American Philosophical Society 60:96-98

See also Bryant 1996, Clark and Beerbower 1967, Emry 1992, Hough 1949, Jepsen 1933, Scott and Jepsen 1936, Simpson 1941 and Sinclair 1921

Type specimens:

• Hoplophoneus mentalis: P.U. No. 12515, a mandible (left ramus of the lower jaw).
  
• Hoplophoneus oharrai: Its type locality is Peanut Peak, which is in a Chadronian terrestrial horizon in the Chadron Formation of South Dakota.
  

Ecology: ground dwelling carnivore

Age range: 37.2 to 33.9 Ma