Fault: Bridgerian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
Peradectes chesteri (Gazin 1952)
Krishtalka and Stucky 1983
b: includes one "innominatum" specimen
Peratherium knighti McGrew et al. 1959
    = Herpetotherium knighti McGrew et al. 1959
Krishtalka and Stucky 1983
one of the "P. cf. marsupium" specimens
Peratherium innominatum Simpson 1928
    = Copedelphys innominata Simpson 1928
Krishtalka and Stucky 1983
recombined as Herpetotherium innominatum
only 3 of 5 specimens
Peratherium marsupium (Troxell 1923)
    = Herpetotherium cf. marsupium Troxell 1923
Alroy 2002
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus minusculus Leidy 1873
this or H. paulus includes "Microsus sp.": Stucky 1998
Hyopsodus paulus Leidy 1870
Mammalia - Perissodactyla - Hyrachyidae
Hyrachyus modestus (Leidy 1870)
Mammalia - Perissodactyla
Tapiroidea indet. Gill 1872
Mammalia - Perissodactyla - Brontotheriidae
Palaeosyops fontinalis Cope 1873
Mammalia - Perissodactyla - Equidae
Orohippus cf. pumilus (Marsh 1871)
includes "Helohyus cf. plicodon": Stucky 1994 (pers. comm. 5.4.94)
Mammalia - Homacodontidae
Antiacodon venustus Marsh 1872
Walsh 2000
two of 16 "A. pygmaeus" specimens of West
Antiacodon pygmaeus (Cope 1872)
Mammalia - Creodonta - Hyaenodontidae
Proviverra sp. Rütimeyer 1862
    = Sinopa rapax Leidy 1871
Gunnell 1998
Mammalia - Viverravidae
Viverravus sp. Marsh 1872
Viverravus gracilis Marsh 1872
Mammalia - Nyctitheriidae
Nyctitherium sp. Marsh 1872
    = Nyctitheriidae indet. Simpson 1928
Alroy 2002
could be Marsholestes
Scenopagus priscus (Marsh 1872)
original and current combination Nyctitherium priscus
Mammalia - Geolabididae
Myolestes dasypelix Matthew 1909
    = Marsholestes cf. dasypelix Matthew 1909
Alroy 2002
Didelphodus altidens (Marsh 1872)
original and current combination Centetodon altidens
Mammalia
Creotarsinae indet. Hay 1930
invalid subgroup of Erinaceomorpha
Mammalia - Rodentia - Ischyromyidae
Paramys wyomingensis (Wood 1959)
    = Acritoparamys wyomingensis Wood 1959
Alroy 2002
recombined as Paramys wyomingensis
Paramys delicatus Leidy 1871
Microparamys sp. Wood 1959
"A"
Microparamys minutus (Wilson 1937)
Mammalia - Rodentia - Paramyidae
Paramys group
    = Paramyidae indet. Miller and Gidley 1918
Alroy 2002
Mammalia - Rodentia - Sciuravidae
Taxymys lucaris Marsh 1872
Sciuravus nitidus Marsh 1871
Mammalia - Rodentia - Reithroparamyidae
Reithroparamys huerfanensis Wood 1962
Mammalia - Primates - Microsyopidae
Microsyops elegans (Marsh 1871)
Mammalia - Primates - Notharctidae
Notharctus tenebrosus Leidy 1870
    = Notharctus sp. Leidy 1870
Alroy 2002
Smilodectes gracilis (Marsh 1871)
Mammalia - Primates - Omomyidae
Omomys carteri Leidy 1869
Washakius insignis Leidy 1873
Anaptomorphus aemulus Cope 1872
    = Anaptomorphus westi Szalay 1976
Szalay 1976
see also Gunnell 1995a
Mammalia - Apatemyidae
Apatemys bellulus Marsh 1872
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:50.50000 - 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:470 specimens
Taxonomic list comments:due to errors and omissions in their list, I am unsure if the following "Bridger, Big Sandy" records of Black and Sutton 1984 pertain to Fault: Paramys excavatus Leptotomus parvus "Ischyrotomus oweni"
Metadata
Also known as:B-1; Big Sandy; UW V-570001
Database number:16219
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]
1735 G. F. Gunnell. 1998. Creotonda. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America, Volume 1: Terrestrial Carnivores, Ungulates, and Ungulate like Mammals [J. Alroy/J. Alroy/M. Uhen]
2179 L. Krishtalka and R. K. Stucky. 1983. Paleocene and Eocene marsupials of North America. Annals of Carnegie Museum 52(10):229-264 [J. Alroy/J. Alroy/M. Uhen]
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]
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]
3543 S. L. Walsh. 2000. Bunodont artiodactyls (Mammalia) from the Uintan (middle Eocene) of San Diego County, California. Proceedings of the San Diego Society of Natural History 37:1-27 [J. Alroy/J. Alroy/J. Alroy]