Holly's Microsite: Clarkforkian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Multituberculata - Neoplagiaulacidae
Ectypodus powelli Jepsen 1940
(5 measurements)
Mammalia - Multituberculata - Microcosmodontidae
Microcosmodon rosei n. sp. Krause 1980
Mammalia - Arctostylopidae
Arctostylops steini Matthew 1915
Mammalia - Rodentia - Paramyidae
Acritoparamys atavus (Jepsen 1937)
    = Paramyidae indet. Miller and Gidley 1918
Ivy 1990
Mammalia - Rodentia - Ischyromyidae
Microparamys sp. Wood 1959
Ivy 1990
    = Microparamys cf. minutus Wilson 1937
Secord 2008
Microparamys cheradius Ivy 1990
Ivy 1990
Paramys taurus Korth 1984
Secord 2008 7 specimens
Acritoparamys atwateri (Loomis 1907)
Secord 2008 8 specimens
Mammalia - Rodentia - Reithroparamyidae
Reithroparamys sp. Matthew 1920
Ivy 1990
Mammalia - Dermoptera
Worlandia inusitata n. sp. Bown and Rose 1979
see Bown and Rose 1979
Mammalia - Primates - Plesiadapidae
Plesiadapis cookei Jepsen 1930
Mammalia - Primates - Carpolestidae
Carpolestes nigridens Simpson 1928
    = Carpolestes simpsoni Bloch and Gingerich 1998
Bloch and Gingerich 1998
Mammalia - Primates - Microsyopidae
Niptomomys doreenae McKenna 1960
Mammalia - Primates - Paromomyidae
Phenacolemur pagei Jepsen 1930
    = Dillerlemur pagei Jepsen 1930
Alroy 2002
Phenacolemur cf. simonsi Bown and Rose 1976
Secord 2008 1 specimen
Phenacolemur cf. praecox Matthew 1915
Secord 2008 17 specimens
Ignacius graybullianus Bown and Rose 1976
Mammalia - Primates - Micromomyidae
Tinimomys graybulliensis Szalay 1974
Mammalia - Procreodi - Arctocyonidae
Arctocyonidae indet. Murray 1866
Princetonia sp. Gingerich 1989
Secord 2008 4 specimens
Thryptacodon sp. Matthew and Granger 1915
Secord 2008 1 specimen
Thryptacodon cf. antiquus Matthew and Granger 1915
Chriacus sp. Cope 1883
Secord 2008 2 specimens
Mammalia - Phenacodontidae
Ectocion osbornianus (Cope 1882)
Phenacodus primaevus (Cope 1873)
    = Phenacodus intermedius Granger 1915
Thewissen 1990
Mammalia
Uintacyon rudis Rose 1981
Mammalia - Viverravidae
Didymictis protenus (Cope 1874)
    = Didymictis proteus Polly 1997
Polly 1997
Viverravus cf. bowni Gingerich 1987
    = Viverravus cf. laytoni Gingerich and Winkler 1985
Alroy 2002
    = Viverravus cf. laytoni Gingerich and Winkler 1985
Secord 2008
Mammalia - Creodonta - Oxyaenidae
Oxyaena aequidens Matthew and Granger 1915
    = Dipsalidictis aequidens Matthew and Granger 1915
Alroy 2002
    = cf. Tytthaena sp. Gingerich 1980
Secord 2008
Mammalia - Nyctitheriidae
cf. Plagioctenodon krausae Bown 1979
Leptacodon packi Jepsen 1930
    = Leptacodon rosei n. sp. Gingerich 1987
Gingerich 1987
Mammalia
Leipsanolestes siegfriedti Simpson 1928
    = Leipsanolestes cf. siegfriedti Simpson 1928
Secord 2008
Mammalia - Macroscelidea
Diacodon minutus Jepsen 1930
    = cf. Diacocherus minutus Jepsen 1930
Alroy 2002
    = Adunator cf. minutus Jepsen 1930
Secord 2008
Mammalia - Macroscelidea - Apheliscidae
Haplomylus simpsoni Rose 1981
Mammalia - Proteutheria - Palaeoryctidae
Palaeoryctes punctatus Van Valen 1966
Mammalia - Leptictidae
cf. Prodiacodon tauricinerei (Jepsen 1930)
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
Mammalia
Azygonyx ancylion (Gingerich and Gunnell 1979)
Secord 2008 1 specimen
Mammalia - Apatemyidae
Labidolemur kayi Simpson 1929
Mammalia
Peradectes cf. chesteri (Gazin 1952)
    = Peradectes protinnominatus McKenna 1960
Krishtalka and Stucky 1983
old i.d. by Rose probably repeated without reference to Krishtalka and Stucky
Reptilia - Anguidae
Machaerosaurus torrejonensis Gilmore 1928
Bartels 1983
Reptilia
Restes rugosus Gauthier 1982
Bartels 1983
Reptilia - Testudines - Emydidae
Emydidae informal indet. A
Bartels 1983
see common names

Geography
Country:United States State/province:Wyoming County:Park
Coordinates: 44.3° North, 109.0° West (view map)
Paleocoordinates:49.7° 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:1280 m
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:538 specimens
Museum repositories:UMMP
Taxonomic list comments:meter level said to be 1280 m by Gunnell and Gingerich 1991 and appears to be 1260 m in fig. 3
Metadata
Also known as:SC-188
Database number:15085
Authorizer:J. Alroy, P. Holroyd, W. Clyde Enterer:J. Alroy, P. Holroyd, W. Clyde
Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2002-06-03 03:27:40
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
2159. D. W. Krause. 1986. Contributions to Geology, University of Wyoming Special Paper 3 [J. Alroy/J. Alroy]

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]
1656 P. D. Gingerich. 1987. Early Eocene bats (Mammalia, Chiroptera) and other vertebrates in freshwater limestones of the Willlwood Formation, Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(11):275-320 [J. Alroy/J. Alroy/J. Alroy]
1999 L. D. Ivy. 1990. Systematics of Late Paleocene and Early Eocene Rodentia (Mammalia) from the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(2):21-70 [J. Alroy/J. Alroy/P. Mannion]
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]
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]
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]
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]