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Brule - lower Whitney, Sioux County, Nebraska, USA

Formation	Brule
Member	lower Whitney
Age:	33.3 - 30.8 Ma Oligocene
Interval	Whitneyan
Number of Collections	2
Number of Occurrences	4

Recorded Sample Locations

Location	Region	Stratigraphic Name
Bald Butte	Sioux County, Nebraska, USA	Brule - lower Whitney

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Brown Siltstone Beds	30.8 - 20.4 Ma Cenozoic		2
Brule	33.3 - 30.8 Ma Oligocene	sandstone	162
Brule - lower Orella	33.9 - 33.3 Ma Oligocene		213
Brule - Orella	33.9 - 33.3 Ma Oligocene		135
Brule - Orella D	33.9 - 33.3 Ma Oligocene		47
Brule - upper	30.8 - 20.4 Ma Cenozoic		5
Brule - upper Whitney	30.8 - 20.4 Ma Cenozoic		36
Brule - Whitney	30.8 - 20.4 Ma Cenozoic		141
Brule - Whitney A	33.3 - 30.8 Ma Oligocene		16
Chadron	37.2 - 33.9 Ma Paleogene	claystone, "siliciclastic", "limestone", "volcaniclastic"	132
Chadron - Big Cottonwood Creek	37.2 - 33.9 Ma Paleogene	siltstone	174
Chadron - Peanut Peak	37.2 - 33.3 Ma Paleogene		85
Harrison	24.8 - 20.4 Ma Cenozoic	sandstone	160
Monroe Creek	26.3 - 20.4 Ma Cenozoic		102
Olcott	16.0 - 13.6 Ma Miocene		109
Olcott - subcycle 1	20.4 - 16.0 Ma Miocene		23
Olcott - subcycle 2	20.4 - 16.0 Ma Miocene		44
Olcott - subcycle 3	20.4 - 16.0 Ma Miocene		65
Runningwater	20.4 - 16.0 Ma Miocene	sandstone, sandstone/conglomerate	315
Sheep Creek	20.4 - 16.0 Ma Miocene	sandstone/conglomerate	29
Sheep Creek - lower	20.4 - 16.0 Ma Miocene		40
Sheep Creek - middle	20.4 - 16.0 Ma Miocene	sandstone	96
Snake Creek	13.6 - 10.3 Ma Miocene		4
Snake Creek - Johnson	10.3 - 4.90 Ma Neogene		51
Snake Creek - Laucomer	13.6 - 10.3 Ma Miocene		43
Snake Creek - Murphy	13.6 - 10.3 Ma Miocene		3
Snake Creek - subcycle 3	20.4 - 16.0 Ma Miocene		3
Arikaree - Harrison	23.0 - 5.33 Ma Miocene		32
Arikaree - Harrison - Lower	24.8 - 20.4 Ma Cenozoic		47
Hemingford - Marsland	24.8 - 20.4 Ma Cenozoic	sandstone	107
Hemingford - Marsland - Basal	24.8 - 20.4 Ma Cenozoic	sandstone	44
White River - Brule	33.9 - 33.3 Ma Oligocene		25

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Leptochoerus elegans species	7	Animalia : Chordata : Mammalia : Artiodactyla : Leptochoeridae : Leptochoerus : *Leptochoerus elegans*	33.3 - 30.8 Ma Oligocene
Leptauchenia decora species	7	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Leptauchenia : *Leptauchenia decora*	33.3 - 30.8 Ma Oligocene
Miniochoerus starkensis species	7	Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Miniochoerus : *Miniochoerus starkensis*	33.3 - 30.8 Ma Oligocene
Megalagus turgidus species	7	Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Megalagus : *Megalagus turgidus*	33.3 - 30.8 Ma Oligocene

References

Edwards P. (1976) The subfamily Leptochoerinae (Artiodactyla, Dichobunidae) of North America (Oligocene), Contributions to Geology, University of Wyoming 14 2, 99-113

Korth W. W., Hageman J. (1988) Lagomorphs (Mammalia) from the Oligocene (Orellan and Whitneyan) Brule Formation, Nebraska, Transactions of the Nebraska Academy of Sciences 16, 141-152

Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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