Lightning Butte: Bridgerian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Ischryomyidae indet.
Mammalia - Rodentia - Ischyromyidae
Paramys copei Loomis 1907
Acritoparamys francesi (Wood 1962)
Mammalia - Rodentia - Sciuravidae
Knightomys huerfanensis (Wood 1962)
Knightomys depressus (Loomis 1907)
Knightomys senior (Gazin 1952)
Pauromys sp. Troxell 1923
Mammalia - Primates - Microsyopidae
Uintasorex cf. parvulus Matthew 1909
Microsyops cf. scottianus Cope 1881
Mammalia - Primates - Notharctidae
Notharctus cf. robinsoni Gingerich 1979
Mammalia - Primates - Omomyidae
Huerfanius sp. Robinson 1966
Beard et al. 1992
    = Uintanius rutherfurdi Robinson 1966
Alroy 2002
DUPLICATE REF 1045 or 1049
Mammalia - Geolabididae
Centetodon sp. Marsh 1872
Centetodon bembicophagus Lillegraven et al. 1981
Mammalia - Nyctitheriidae
Nyctitherium cf. serotinum (Marsh 1872)
Mammalia - Perissodactyla - Equidae
Orohippus sp. Marsh 1872
Mammalia - Creodonta
Didelphodus cf. altidens (Marsh 1872)
Mammalia
Miacis cf. exiguus Matthew and Granger 1915
cf. Vassocyon sp.
    = cf. Vassacyon sp. Matthew 1909
Alroy 2002
Palaeanodonta indet. Matthew 1918
"A"
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus paulus Leidy 1870
confirmed by Redline 1997
Hyopsodus minusculus Leidy 1873
Redline 1997
Mammalia - Macroscelidea - Adapisoricidae
Adapisoricidae indet. Schlosser 1887
said to be new
Mammalia - Apatemyidae
Apatemys cf. bellus Marsh 1872
Mammalia - Groeberida
Peratherium innominatum Simpson 1928
    = Copedelphys innominata Simpson 1928
Alroy 2002
recombined as Herpetotherium innominatum
Peratherium marsupium (Troxell 1923)
    = Herpetotherium marsupium Troxell 1923
Alroy 2002
Mammalia - Groeberida - Nototheriidae
Armintodelphys blacki Krishtalka and Stucky 1983
Peradectes chesteri (Gazin 1952)
unclassified
Scenopagus edenensis (McGrew et al. 1959)
Scenopagus priscus (Marsh 1872)
original and current combination Nyctitherium priscus
see common names

Geography
Country:United States State/province:Wyoming County:Natrona
Coordinates: 43.2° North, 107.1° West (view map)
Paleocoordinates:46.9° North, 92.8° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Eocene
10 m.y. bin:Cenozoic 2
*Period:Tertiary *Local age/stage:Gardnerbuttean
Key time interval:Bridgerian
Age range of interval:50.30000 - 46.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wind River Member:Lost Cabin
Local section:RedCr Local bed:5
Local order:bottom to top
Stratigraphy comments: said to be Gardnerbuttean
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:72 specimens
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:NISP 72, excluding generically indeterminate records
Metadata
Also known as:CM 1543; UCM 80061
Database number:16254
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2006-09-13 00:27:33
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3329. R. K. Stucky. 1984. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 5. Geology and biostratigraphy of the upper part of the Wind River Formation, northeastern Wind River Basin. Annals of Carnegie Museum 53(9):231-294 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1045 K. C. Beard, B. Sigé, and L. Krishtalka. 1992. A primitive vespertilionoid bat from the early Eocene of central Wyoming. Comptes Rendus de l'Academie des Sciences, Paris, Serie II 314:735-741 [J. Alroy/J. Alroy/P. Mannion]
6223 A. D. Redline. 1997. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 13. Systematics and phylogenetic pattern of early Eocene Hyopsodus (Mammalia: Condylarthra). Annals of Carnegie Museum 66(1):1-81 [J. Alroy/J. Alroy/J. Alroy]