Rabbit Graveyard (Upper) (Oligocene of the United States)

Where: Dawes County, Nebraska (42.8° N, 103.1° W: paleocoordinates 44.0° N, 95.0° W)

• coordinate based on political unit

When: Orella Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Primary reference: E. P. Gustafson. 1986. Preliminary biostratigraphy of the White River Group (Oligocene, Chadron and Brule formations) in the vicinity of Chadron, Nebraska. Transactions of the Nebraska Academy of Sciences 14:7-20 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 17165: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• within the same normal polarity zone as Rabbit Graveyard (Lower) and definitely in Orella B
may include some localities listed as lower Rabbit Graveyard
mostly from the "Lumpy level"
includes: CSC-85 Anderson's Lumpy Level CSC-90 Bartlett's Lumpy Level
NISP 24
Mammalia
 Artiodactyla - Hypertragulidae
Hypertragulus calcaratus Cope 1873 ruminant
 Artiodactyla - Leptomerycidae
Leptomeryx sp. Leidy 1853 ruminant
large
Leptomeryx evansi Leidy 1853 ruminant
 Artiodactyla - Merycoidodontidae
Merycoidodon sp. Leidy 1848 oreodont
Miniochoerus gracilis Leidy 1851 oreodont
 Perissodactyla - Equidae
Mesohippus bairdi Leidy 1850 anchitheriine horse
 Perissodactyla - Hyracodontidae
Hyracodon nebraskensis Leidy 1850 odd-toed ungulate
 Carnivora - Amphicyonidae
Daphoenus hartshornianus Cope 1873 bear-dog
 Lagomorpha - Leporidae
Palaeolagus haydeni Leidy 1856 rabbit
 Rodentia - Ischyromyidae
Ischyromys typus Leidy 1856 rodent
 Rodentia - Heliscomyidae
Heliscomys hatcheri Wood 1935 rodent