PBDB Collection

Divide Quarry: Late Paleocene, Wyoming

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Reptilia - Anguidae

	cf. Machaerosaurus sp. Gilmore 1928	Bartels 1980
Mammalia - Proteutheria - Palaeoryctidae

	Palaeoryctes jepseni Bloch et al. 2004	Secord 2008

	Aaptoryctes cf. ivyi Gingerich 1982	Secord 2008
Mammalia - Leptictidae

	cf. Prodiacodon sp. Matthew 1929	Secord 2008
Mammalia - Condylarthra - Hyopsodontidae

	Hyopsodontidae indet. Trouessart 1879	Secord 2008
Mammalia - Acreodi - Mesonychidae

	Dissacus cf. navajovius (Cope 1881)	Secord 2008
Mammalia - Viverravidae

	Viverravus cf. schaffi (Gingerich and Winkler 1985)	Secord 2008

	Protictis dellensis (Dorr 1952)	Gingerich and Winkler 1985
	= Didymictis proteus Polly 1997	Alroy 2002
	= Didymictis cf. dellensis Dorr 1952	Secord 2008

	cf. Raphictis sp. Gingerich and Winkler 1985	Secord 2008
	cited as Raphictis?
Mammalia - Procreodi - Arctocyonidae

	Arctocyon sp. Blainville 1841	Secord 2008
	"Arctocyon small sp."

	Arctocyon mumak (Van Valen 1978)	Secord 2008

	Mimotricentes sp. Simpson 1937	Gingerich 1979
	= Lambertocyon eximius Gingerich 1979	Alroy 2002
	replaces ID of Gingerich 1978
	= Lambertocyon gingerichi Gunnell 1994	Secord 2008

	Thryptacodon australis Simpson 1935	Secord 2008
Mammalia - Phenacodontidae

	Phenacodus magnus Thewissen 1990	Secord 2008

	Ectocion cedrus Thewissen 1990	Thewissen 1990
Mammalia - Pantolestidae

	Palaeosinopa cf. dorri Gingerich 1980	Secord 2008
	cited as Palaeosinopa dorri?

	Leptonysson orthius Secord 2008	Secord 2008
	Based on UM 91330, RM2/; UM 109858, L M/1 trigonid

	Bessoecetor pilodontus n. sp. Secord 2008	Secord 2008
Mammalia - Erinaceidae

	Litolestes cf. ignotus Jepsen 1930	Secord 2008
	Based on UM 85410
Mammalia - Nyctitheriidae

	cf. Leptacodon choristus n. sp. Secord 2008	Secord 2008
Mammalia - Primates - Plesiadapidae

	Plesiadapis churchilli Gingerich 1975	Gingerich 1976
Mammalia - Primates - Carpolestidae

	Carpodaptes jepseni Rose 1975	Rose 1975
	(5 measurements)
	= Carpomegodon jepseni Rose 1975	Alroy 2002

	Carpodaptes cygneus (Russell 1967)	Bloch et al. 1998
	(1 measurement)
	= Carpodaptes sp. Matthew and Granger 1921	Alroy 2002
	(status unclear in light of Beard 2000
	= Carpodaptes stonleyi Fox 2002	Fox 2002
Mammalia - Primates - Paromomyidae

	Ignacius frugivorus Matthew and Granger 1921	Secord 2008
Mammalia - Macroscelidea

	cf. Adunator sp. Russell 1964	Secord 2008
	Based on UM 92254

	Adunator minutus (Jepsen 1930)	Secord 2008
Mammalia - Apatemyidae

	Unuchinia sp. Simpson 1937	Secord 2008

	Labidolemur soricoides Matthew and Granger 1921	Secord 2008
Mammalia - Barylambdidae

	Haplolambda quinni Patterson 1939	Simons 1960
	= Haplolambda cf. quinni Patterson 1939	Secord 2008

	Leptolambda churchilli (Gingerich and Childress 1983)	Secord 2008
	Based on UM 85308, LM/3; UM 86240, LM/1
Mammalia - Cyriacotheriidae

	Cyriacotherium cf. argyreum Rose and Krause 1982	Secord 2008
Mammalia

	Titanoides gidleyi Jepsen 1930	Secord 2008
Mammalia - Cimolestidae

	Paleotomus radagasti (Van Valen 1978)	Secord 2008
Mammalia - Multituberculata - Microcosmodontidae

	Microcosmodon sp. Jepsen 1930	Secord 2008
	Based on UM 77301, LI/1
Mammalia - Multituberculata - Ptilodontidae

	Ptilodus kummae Krause 1977	Gunnell 1994

	Prochetodon foxi Krause 1987
Mammalia - Multituberculata - Neoplagiaulacidae

	? Mimetodon silberlingi (Simpson 1935)	Secord 2008
	Based on UM 82102, RP/4 fragment

	Neoplagiaulax mckennai Sloan 1987	Secord 2008
	Based on UM 85306, LP4/; UM 110242, RP4/

	Neoplagiaulax cf. hazeni (Jepsen 1940)	Secord 2008
see common names

Geography

Country:	United States	State/province:	Wyoming	County:	Big Horn
Coordinates:	44.7° North, 108.3° West (view map)
Paleocoordinates:	50.1° North, 88.9° West
Basis of coordinate:	estimated from map
Geographic resolution:	small collection

Time

Period:	Paleogene	Epoch:	Paleocene
Stage:	Thanetian	10 m.y. bin:	Cenozoic 1
*Period:	Tertiary
Key time interval:	Late Paleocene
Age range of interval:	59.2 - 56 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Fort Union
Local section:	South Foster Gulch	Local bed:	50
Local order:	bottom to top
Regional section:	Southeast	Regional bed:	210
Regional order:	bottom to top

Lithology and environment

Primary lithology:	lenticular lithified "siliciclastic"
Includes fossils?	Y
Environment:	fluvial-lacustrine indet.	Tectonic setting:	intermontane basin

Taphonomy

Modes of preservation:	body
Degree of concentration:	concentrated
Size of fossils:	macrofossils,mesofossils
Articulated whole bodies:	none
Associated major elements:	some
Disassociated major elements:	many
Disassociated minor elements:	many
Size sorting:	well

Collection methods and comments

Collection excludes:	some genera
Collection methods:	bulk,selective quarrying,surface (float),surface (in situ)
Reason for describing collection:	taxonomic analysis
Museum repositories:	UMMP
Taxonomic list comments:same level as Croc Tooth and "clearly overlying" Cedar Point and Jepsen Quarries: Gingerich 1976NE 1/4 SW 1/4 sec 16 T54N R95W; Biozone Ti-4

Metadata

Also known as:	FG-46
Database number:	15024
Authorizer:	J. Alroy, P. Holroyd, K. Beard	Enterer:	J. Alroy, K. Beard, P. Holroyd
Modifier:	P. Mannion	Research group:	vertebrate
Created:	1993-09-27 00:00:00	Last modified:	2016-03-08 06:16:55
Access level:	the public	Released:	1993-09-27 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

2161.

D. W. Krause. 1987. Systematic Revision of the Genus Prochetodon (Ptilodontidae, Multituberculata) from the Late Paleocene and Early Eocene of Western North America. Contributions from the Museum of Paleontology, University of Michigan 27(8):221-236 [J. Alroy/J. Alroy/P. Mannion]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
14359		W. S. Bartels. 1980. Early Cenozoic reptiles and birds from the Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:73-79 [J. Alroy/J. Alroy/J. Alroy]
3870		J. I. Bloch, D. C. Fisher, K. D. Rose and P. D. Gingerich. 2001. Stratocladistic analysis of Paleocene Carpolestidae (Mammalia, Plesiadapiformes) with description of a new late Tiffanian genus. Journal of Vertebrate Paleontology 21(1):119-131 [J. Alroy/J. Alroy/P. Mannion]
1101		J. I. Bloch, K. D. Rose, and P. D. Gingerich. 1998. New carpolestids from late Tiffanian Divide Quarry, Bighorn Basin, Wyoming. Journal of Vertebrate Paleontology 18(3):28A [J. Alroy/J. Alroy/M. Uhen]
11717		W. C. Clyde. 1997. Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary. PhD Thesis, University of Michigan [W. Clyde/W. Clyde/J. Alroy]
7175		R. C. Fox. 2002. The dentition and relationships of Carpodaptes cygneus (Russell) (Carpolestidae, Plesiadapiformes, Mammalia), from the late Paleocene of Alberta, Canada. Journal of Paleontology 76(5):864-881 [J. Alroy/J. Alroy/J. Alroy]
1635		P. D. Gingerich. 1976. Cranial Anatomy and Evolution of Early Tertiary Plesiadapidae (Mammalia, Primates). University of Michigan Papers on Paleontology 15:1-141 [J. Alroy/J. Alroy/P. Mannion]
1639		P. D. Gingerich. 1979. Lambertocyon eximius, a New Arctocyonid (Mammalia, Condylarthra) from the Late Paleocene of Western North America. Journal of Paleontology 53(3) [J. Alroy/J. Alroy/J. Ju]
1676		P. D. Gingerich and D. A. Winkler. 1985. Systematics of Paleocene Viverravidae (Mammalia, Carnivora) in the Bighorn Basin and Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(4):87-128 [J. Alroy/J. Alroy/J. Marcot]
1731		G. F. Gunnell. 1994. Paleocene mammals and faunal analysis of the Chappo Type Locality (Tiffanian), Green River Basin, Wyoming. Journal of Vertebrate Paleontology 14(1):81-104 [J. Alroy/J. Alroy/J. Alroy]
2947		K. D. Rose. 1975. The Carpolestidae: Early Tertiary primates from North America. Bulletin of the Museum of Comparative Zoology 147(1) [J. Alroy/J. Alroy/J. Ju]
63104		R. Secord. 2008. The Tiffanian Land-Mammal Age (middle and late Paleocene) in the northern Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 35:1-192 [K. Beard/K. Beard]
3124		E. L. Simons. 1960. The Paleocene Pantodonta. Transactions of the American Philosophical Society, New Series 50(6):1-81 [J. Alroy/J. Alroy/M. Carrano]
3401		J. G. M. Thewissen. 1990. Evolution of Paleocene and Eocene Phenacodontidae (Mammalia, Condylarthra). University of Michigan Papers on Paleontology 29:1-107 [J. Alroy/J. Alroy/P. Mannion]