Tree Road: Bridgerian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus minusculus Leidy 1873
Mammalia - Creodonta
Thinocyon cf. velox Marsh 1872
Mammalia - Perissodactyla - Equidae
Orohippus cf. pumilus (Marsh 1871)
Mammalia - Geolabididae
Centetodon cf. pulcher Marsh 1872
Mammalia - Rodentia - Reithroparamyidae
Reithroparamys delicatissimus (Leidy 1871)
Mammalia - Rodentia - Ischyromyidae
Pseudotomus robustus (Marsh 1872)
(4 measurements)
    = Quadratomus grossus Korth 1985
Korth 1985
Microparamys sp. Wood 1959
"A"
Microparamys minutus (Wilson 1937)
Paramys wyomingensis (Wood 1959)
    = Acritoparamys wyomingensis Wood 1959
Alroy 2002
recombined as Paramys wyomingensis
Mammalia - Rodentia - Sciuravidae
Sciuravus nitidus Marsh 1871
Mammalia - Rodentia - Paramyidae
Paramys group
    = Paramyidae indet. Miller and Gidley 1918
Alroy 2002
Mammalia - Primates - Omomyidae
Omomys carteri Leidy 1869
Anaptomorphus aemulus Cope 1872
    = Anaptomorphus westi Szalay 1976
Szalay 1976
Mammalia - Primates - Microsyopidae
Microsyops elegans (Marsh 1871)
Mammalia - Primates - Notharctidae
Smilodectes gracilis (Marsh 1871)
unclassified
Scenopagus edenensis (McGrew et al. 1959)
see common names

Geography
Country:United States State/province:Wyoming County:Sublette
Coordinates: 42.7° North, 110.1° West (view map)
Paleocoordinates:46.7° North, 96.1° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2
*Period:Tertiary
Key time interval:Bridgerian
Age range of interval:50.30000 - 46.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Bridger
Local section:GRBsn Local bed:5
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:84 specimens
Metadata
Also known as:B-4
Database number:16441
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3596. R. M. West. 1973. Geology and mammalian paleontology of the New Fork-Big Sandy area, Sublette County, Wyoming. Fieldiana: Geology 29 [J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
2106 W. W. Korth. 1985. The Rodents Pseudotomus and Quadratomus and the Content of the Tribe Manitshini (Paramyinae, Ischyromyidae). Journal of Vertebrate Paleontology 5(2):139-152 [J. Alroy/J. Alroy/J. Ju]
3353 F. S. Szalay. 1976. Systematics of the Omomyidae (Tarsiiformes, Primates) : taxonomy, phylogeny, and adaptations. Bulletin of the American Museum of Natural History 156(3) [J. Alroy/J. Alroy/J. Ju]