PBDB Collection

White Butte (Orellan): Orellan, North Dakota

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Lagomorpha - Leporidae

	Leporidae indet. Fischer de Waldheim 1817
	"Palaeolagus": Douglass 1909b DUPLICATE REF 1153 or 1154
Mammalia - Rodentia - Cricetidae

	Eumys obliquidens Wood 1937	Kihm 1990
	= Eumys elegans Leidy 1856	Alroy 2002
	also may be present
Mammalia - Rodentia - Aplodontidae

	Prosciurus albiclivus n. sp. Korth 1994	Korth 1994
	recombined as Altasciurus albiclivus
	(3 measurements)
Mammalia - Rodentia - Eomyidae

	Paradjidaumo cf. trilophus (Cope 1873)	Wahlert 1978
	recombined as Adjidaumo trilophus
	"Chalky Buttes, Slope Co."; presumably includes "Gymnoptychus" of Douglass 1909b
Mammalia - Rodentia - Ischyromyidae

	Ischyromys sp. Leidy 1856	Douglass 1909
Mammalia - Carnivora - Canidae

	Hesperocyon gregarius (Cope 1873)	Wang 1994
	"upper 10 ft of nodules"
Mammalia - Perissodactyla - Equidae

	Mesohippus sp. Marsh 1875
	= Equidae indet. Gray 1821	Alroy 2002
	DUPLICATE REF 1153 or 1154
Mammalia - Perissodactyla - Rhinocerotidae

	Aceratherium tridactylum Osborn 1893
	= Rhinocerotidae indet. Gray 1821	Alroy 2002
	is from higher, Whitneyan beds according to Douglass 1909b, but "Aceratherium" and "Hyracodon" are both present in the Orellan beds DUPLICATE REF 1153 or 1154
Mammalia - Merycoidodontidae

	Merycoidodon culbertsoni (Leidy 1848)	Douglass 1909
	= Merycoidodontidae indet. Cook 1912	Alroy 2002
Mammalia - Leptomerycidae

	Leptomeryx evansi Leidy 1853	Douglass 1909
Mammalia - Geolabididae

	Centetodon marginalis (Cope 1873)	Lillegraven et al. 1981
	1954 collection from "White or Chalky Buttes, S of Amidon," Slope Co. ND; "Ictops" of Douglass 1909b
see common names

Geography

Country:	United States	State/province:	North Dakota	County:	Slope
Coordinates:	46.4° North, 103.3° West (view map)
Paleocoordinates:	47.6° North, 94.8° West
Basis of coordinate:	based on political unit

Time

Period:	Paleogene	Epoch:	Oligocene
Stage:	Rupelian	10 m.y. bin:	Cenozoic 4
*Period:	Tertiary
Key time interval:	Orellan
Age range of interval:	33.90000 - 31.80000 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Brule	Member:	lower
Local section:	WhiteB	Local bed:	1
Local order:	bottom to top

Lithology and environment

Environment:

terrestrial indet.

Taphonomy

Modes of preservation:

body

Collection methods and comments

Taxonomic list comments:originally reported by Douglass 1909b and said to be "Middle White River"
collection of Cope is from an indeterminate locality, possible White or Chalk Butte in South Dakota: Douglass 1909b
see Kihm and Lammers 1986
record of Leptodontomys ("Adjidaumo") douglassi is Arikareean according to Korth and Bailey 1992, contra Kihm and Lammers 1986

"Brontotheriidae indet." reported by Lammers and Hoganson 1988 is from the "Chadron" of White Butte "just southeast of South Heart"

Metadata

Also known as:	Chalky Butte; White Bluffs DUPLICATE REF 1153 or 1154
Database number:	17301
Authorizer:	J. Alroy	Enterer:	J. Alroy
Research group:	vertebrate
Created:	1993-09-27 00:00:00	Last modified:	2002-06-03 03:27:42
Access level:	the public	Released:	1993-09-27 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

1153.

J. J. Burke. 1934. New Duchesne River Rodents and a Preliminary Survey of the Adjidaumidae. Annals of Carnegie Museum 23:391-398 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1386		E. Douglass. 1909. Annals of Carnegie Museum 5(8) [J. Alroy/J. Alroy]
2080		A. J. Kihm. 1990. Proceedings of the North Dakota Academy of Sciences 44 [J. Alroy/J. Alroy]
2122		W. W. Korth. 1994. A New Species of the Rodent Prosciurus (Aplodontidae, Prosciurinae) from the Orellan (Oligocene) of North Dakota and Nebraska. Journal of Mammalogy 75(2) [J. Alroy/J. Alroy/J. Ju]
2241		J. A. Lillegraven, M. C. McKenna, and L. Kristalka. 1981. Evolutionary relationships of middle Eocene and younger species of Centetodon (Mammalia, Insectivora, Geolabididae) with a description of the dentition of Ankylodon (Adapisoricidae). University of Wyoming Publication 45:1-115 [J. Alroy/J. Alroy/M. Uhen]
3527		J. H. Wahlert. 1978. Cranial foramina and relationships of the Eomyoidea (Rodentia, Geomorpha) : skull and upper teeth of Kansasimys. American Museum Novitates 2645 [J. Alroy/J. Alroy/J. Ju]
6226		X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]