Leptauchenia Leidy 1856 (oreodont)

Mammalia - Artiodactyla - Merycoidodontidae

Synonyms: Brachymeryx Cope 1877, Chelonocephalus Thorpe 1921, Cyclopidius Cope 1877, Hadroleptauchenia Schultz and Falkenbach 1968, Pithecistes Cope 1877, Pseudocyclopidius Schultz and Falkenbach 1968, Pseudoleptauchenia Unknown [objective synonym]

Full reference: J. Leidy. 1856. Notice of remains of extinct Mammalia, discovered by Dr. F. V. Hayden in Nebraska Territory. Proceedings of the Academy of Natural Sciences of Philadelphia 8:88-90

Parent taxon: Leptaucheniinae according to D. R. Prothero and F. Sanchez 2008

See also Alroy 2002, CoBabe 1996, Cope 1884, Koerner 1940, Lander 1998, Loomis 1924, Loomis 1925, McKenna and Bell 1997, Schultz and Falkenbach 1968, Scott 1940, Stevens and Stevens 2007, Thorpe 1921 and Thorpe 1937

Sister taxa: Leptaucheniini, Limnenetes, Sespia, Sespiini

Subtaxa: Leptauchenia decora Leptauchenia lullianus Leptauchenia major

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Type: Leptauchenia decora

Ecology: ground dwelling herbivore

Distribution:

• Miocene of United States (1: South Dakota collection)

• Harrisonian of United States (1: Nebraska)

• Arikareean of United States (49: Colorado, Montana, Nebraska, South Dakota, Wyoming)

• Oligocene of United States (100: Colorado, Nebraska, North Dakota, South Dakota, Wyoming)

Total: 151 collections including 172 occurrences

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