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This is an amazing Pogonodon platycopis skull from the John Day Formation in Oregon. These are some of the most rare of the Nimravidae, as well as some of the oldest. See also Eaton 1922, Fremd et al. 1994, Macdonald 1970, Matthew 1910, Scott and Jepsen 1936 and Thorpe 1920
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From the album: Pogonodon
Pogonodon platycopis Cope 1879 (false sabre-tooth) Osteichthyes - Carnivora - Nimravidae 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) • Coordinate estimated from map Date Range: John Day Formation, Arikareean (30.8 - 20.43 Ma) Hoplophoneus mentalis Sinclair 1921 (false sabre-tooth) Osteichthyes - Carnivora - Nimravidae 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© Seth Sorensen
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- pogonodon
- hoplophoneus
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From the album: Pogonodon
Pogonodon platycopis Cope 1879 (false sabre-tooth) Osteichthyes - Carnivora - Nimravidae 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) • Coordinate estimated from map Date Range: John Day Formation, Arikareean (30.8 - 20.43 Ma)© Seth Sorensen
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- Pogonodon platycopis
- pogonodon
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