PBDB Collection

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Multituberculata - Microcosmodontidae

	Microcosmodon rosei Krause 1980
Mammalia - Primates - Plesiadapidae

	Plesiadapis cookei Jepsen 1930
Mammalia - Primates - Carpolestidae

	Carpolestes simpsoni Bloch and Gingerich 1998	Bloch and Gingerich 1998
	new specimens
Mammalia - Procreodi - Arctocyonidae

	Thryptacodon cf. antiquus Matthew and Granger 1915
Mammalia - Phenacodontidae

	Ectocion osbornianus (Cope 1882)

	Phenacodus vortmani (Cope 1880)

	Phenacodus primaevus (Cope 1873)
	= Phenacodus intermedius Granger 1915	Thewissen 1990
Mammalia - Viverravidae

	Didymictis protenus (Cope 1874)
	= Didymictis proteus Polly 1997	Polly 1997

	Viverravus laytoni (Gingerich and Winkler 1985)	Polly 1997
Mammalia - Creodonta - Oxyaenidae

	Dipsalidictis aequidens (Matthew and Granger 1915)	Gunnell and Gingerich 1991
Mammalia - Nyctitheriidae

	Plagioctenodon thewisseni n. sp. Manz and Bloch 2015	Manz and Bloch 2015
Mammalia

	Leipsanolestes siegfriedti Simpson 1928
	(1 measurement)
Mammalia - Macroscelidea

	Diacodon minutus Jepsen 1930
	= cf. Diacocherus minutus Jepsen 1930	Alroy 2002
Mammalia

	Titanoides nanus Gingerich 1996	Gingerich 1996
	new material (1 measurement)
Mammalia - Coryphodontidae

	Coryphodon sp. (Owen 1845)
Mammalia

	Esthonyx ancylion Gingerich and Gunnell 1979

	Peradectes cf. chesteri (Gazin 1952)
	= Peradectes protinnominatus McKenna 1960	Krishtalka and Stucky 1983
Reptilia

	Leidyosuchus formidabilis Erickson 1976	Bartels 1983
Reptilia - Anguidae

	Melanosaurus maximus Gilmore 1928	Bartels 1983
see common names

Geography

Country:	United States	State/province:	Wyoming	County:	Park
Coordinates:	44.3° North, 109.0° West (view map)
Paleocoordinates:	49.6° North, 90.3° West
Basis of coordinate:	based on political unit
Geographic resolution:	small collection

Time

Period:	Paleogene
10 m.y. bin:	Cenozoic 1-2
*Period:	Tertiary	*Epoch:	Paleocene
Key time interval:	Clarkforkian
Age range of interval:	56.2 - 54.9 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Fort Union
Local section:	Clark	Local bed:	1370 m
Local order:	bottom to top

Lithology and environment

Primary lithology:	not reported
Environment:	terrestrial indet.

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods and comments

Reason for describing collection:	taxonomic analysis
Museum repositories:	UMMP
Taxonomic list comments:meter level said to be 1370 m by Gunnell and Gingerich 1991, Bowen and Bloch 2002, and appears to be 1340 m in fig. 3

Metadata

Database number:	15152
Authorizer:	J. Alroy, P. Holroyd, W. Clyde	Enterer:	J. Alroy, P. Holroyd, W. Clyde
Modifier:	G. Varnham	Research group:	vertebrate
Created:	1993-02-18 00:00:00	Last modified:	2022-02-17 08:08:55
Access level:	the public	Released:	1993-02-18 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

2953.

K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197 [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]
724		W. S. Bartels. 1983. A transitional Paleocene-Eocene reptile fauna from the Bighorn Basin, Wyoming. Herpetologica 39(4):359-374 [J. Alroy/M. Sommers/M. Uhen]
1099		J. I. Bloch and P. D. Gingerich. 1998. Carpolestes simpsoni, New Species (Mammalia, Proprimates) from the Late Paleocene of the Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(4):131-162 [J. Alroy/J. Alroy/P. Mannion]
1664		P. D. Gingerich. 1996. New Species of Titanoides (Mammalia, Pantodonta) from the Middle Clarkforkian (Late Paleocene) of Northwestern Wyoming. Contributions from the Museum of Paleontology, University of Michigan 29(14):403-412 [J. Alroy/J. Alroy/P. Mannion]
1745		G. F. Gunnell and P. D. Gingerich. 1991. Systematics and Evolution of Late Paleocene and Early Eocene Oxyaenidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(7):141-180 [J. Alroy/J. Alroy/J. Marcot]
2180		L. Krishtalka and R. K. Stucky. 1983. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 3. Marsupialia. Annals of Carnegie Museum 52(9):205-227 [J. Alroy/J. Alroy/J. Alroy]
62691		C. L. Manz and J. I. Bloch. 2015. Systematics and phylogeny of Paleocene–Eocene Nyctitheriidae (Mammalia, Eulipotyphla?) with description of a new species from the late Paleocene of the Clarks Fork Basin, Wyoming, USA. Journal of Mammalian Evolution 22:307-342 [P. Holroyd/P. Holroyd]
2787		P. D. Polly. 1997. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(1):1-53 [J. Alroy/J. Alroy/M. Uhen]
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]