Weitzel Ranch (Oligocene of the United States)

Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.4° N, 96.3° W)

• coordinate based on political unit

When: Whitney Member (Brule Formation), Whitneyan (33.3 - 30.8 Ma)

Environment/lithology: terrestrial

Primary reference: T. H. Heaton. 1993. The Oligocene Rodent Ischyromys of the Great Plains: Replacement Mistaken for Anagenesis. Journal of Paleontology 67(2) [J. Alroy/J. Alroy/J. Ju]more details

PaleoDB collection 17427: authorized by John Alroy, entered by John Alroy on 05.08.1996

Creative Commons license: CC BY (attribution)

Taxonomic list

• in the North Platte drainage basin
possibly relevant: Leptauchenia decora - "Pithecistes tanneri" Schultz and Falkenbach 1968: "Brule Zone D"; "due north of Mitchell" in Sioux Co.; this could be from Blackburn Ranch
Mammalia
 Artiodactyla - Camelidae
Paratylopus primaevus1 Matthew 1904 camel
"Wetzel Ranch, 6 miles north of Mitchell, Sioux Co. ... early Whitneyan"
 Carnivora - Canidae
Osbornodon renjiei2 Wang 1994 canid
Weitzel Ranch, 6 mi N of Mitchell and 0.5 mi E of Highway 29, Sioux Co., 80 ft below Lower Ash (Whitney A)
 Rodentia - Ischyromyidae
Ischyromys typus Leidy 1856 rodent
"Whitney locality (AMNH) in southern Sioux Co. on Weitzel Ranch"