SC-74: Clarkforkian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia
Paramys atavus Jepsen 1937
    = Rodentia indet. Bowdich 1821
Alroy 2002
and "P. annectens"
Mammalia - Primates - Microsyopidae
Microsyops simplicidens Rose 1981
(1 measurement)
    = Arctodontomys simplicidens Rose 1981
Alroy 2002
Arctodontomys simplicidens (Rose 1981)
Gunnell 1985
Mammalia - Primates - Paromomyidae
Phenacolemur pagei Jepsen 1930
    = Dillerlemur pagei Jepsen 1930
Alroy 2002
Mammalia - Primates - Plesiadapidae
Plesiadapis cookei Jepsen 1930
Mammalia - Acreodi - Mesonychidae
Dissacus praenuntius Matthew and Granger 1915
Mammalia - Procreodi - Arctocyonidae
Princetonia yalensis Gingerich 1989
Gingerich 1989
Mammalia - Phenacodontidae
Phenacodus primaevus (Cope 1873)
    = Phenacodus intermedius Granger 1915
Thewissen 1990
Ectocion osbornianus (Cope 1882)
Mammalia - Creodonta - Oxyaenidae
? Oxyaena lichna n. sp. Rose 1981
    = Tytthaena lichna Rose 1981
Alroy 2002
cf. Dipsalodon sp. Jepsen 1930
Dipsalodon matthewi Jepsen 1930
Oxyaena transiens Matthew and Granger 1915
    = Dipsalidictis aequidens Matthew and Granger 1915
Gunnell and Gingerich 1991
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
    = Didymictis proteus Polly 1997
Polly 1997
Mammalia - Macroscelidea - Apheliscidae
Apheliscus nitidus Simpson 1937
Aletodon gunnelli Gingerich 1977
Mammalia
Esthonyx xenicus n. sp. Gingerich and Gunnell 1979
see Gingerich and Gunnell 1979 (1 measurement)
Mammalia - Dinocerata - Prodinoceratidae
Probathyopsis praecursor Simpson 1929
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.3° North, 109.0° West (view map)
Paleocoordinates:49.7° 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
Local section:Clark Local bed:1150 m
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Museum repositories:UMMP
Taxonomic list comments:Chron 24R: Butler et al. 1981
level estimated at 1140 m based on fig. 3, but given as 1160 m by Butler et al. and 1150 m by Gingerich and Gunnell 1979, Gunnell and Gingerich 1991
Metadata
Database number:15126
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:40
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]
1657 P. D. Gingerich. 1989. New earliest Wasatchian mammalian fauna from the Eocene of northwestern Wyoming: composition and diversity in a rarely sampled high-floodplain assemblage. University of Michigan Papers on Paleontology 28:1-97 [J. Alroy/J. Alroy/J. Alroy]
1728 G. F. Gunnell. 1985. Systematics of Early Eocene Microsyopinae (Mammalia, Primates) in the Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(2):51-71 [J. Alroy/J. Alroy/M. Uhen]
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]
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]