Lightning Butte (Eocene of the United States)

Also known as CM 1543; UCM 80061

Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 46.9° N, 92.8° W)

• coordinate based on political unit

When: Lost Cabin Member (Wind River Formation), Bridgerian (50.3 - 46.2 Ma)

• said to be Gardnerbuttean

Environment/lithology: terrestrial

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 16254: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 72, excluding generically indeterminate records
unclassified
  -
Mammalia
 Rodentia - Ischyromyidae
Paramys copei Loomis 1907 rodent
Acritoparamys francesi Wood 1962 rodent
 Rodentia - Sciuravidae
Knightomys huerfanensis Wood 1962 rodent
Knightomys depressus Loomis 1907 rodent
Knightomys senior Gazin 1952 rodent
Pauromys sp. Troxell 1923 rodent
 Primates - Microsyopidae
Uintasorex cf. parvulus Matthew 1909 primate
Microsyops cf. scottianus Cope 1881 primate
 Primates - Notharctidae
Notharctus cf. robinsoni Gingerich 1979 primate
 Primates - Omomyidae
Uintanius rutherfurdi1 Robinson 1966 tarsier
 Theriamorpha - Geolabididae
Centetodon sp. Marsh 1872 placental
Centetodon bembicophagus Lillegraven et al. 1981 placental
 Theriamorpha - Nyctitheriidae
Nyctitherium cf. serotinum Marsh 1872 placental
 Perissodactyla - Equidae
Orohippus sp. Marsh 1872 horse
 Creodonta -
Didelphodus cf. altidens Marsh 1872 creodont
 Theriamorpha -
Miacis cf. exiguus Matthew and Granger 1915 placental
cf. Vassacyon sp.1 Matthew 1909 placental
Palaeanodonta indet. Matthew 1918 placental
"A"
 Condylarthra - Hyopsodontidae
Hyopsodus paulus Leidy 1870 condylarth
confirmed by Redline 1997
Hyopsodus minusculus2 Leidy 1873 condylarth
 Macroscelidea - Adapisoricidae
Adapisoricidae indet. Schlosser 1887 elephant shrew
said to be new
 Cimolesta - Apatemyidae
Apatemys cf. bellus Marsh 1872 eutherian
 Theriamorpha - Herpetotheriidae
"Copedelphys innominata" = Herpetotherium innominatum1 Simpson 1928 marsupial
Herpetotherium marsupium1 Troxell 1923 marsupial
 Theriamorpha - Peradectidae
Armintodelphys blacki Krishtalka and Stucky 1983 marsupial
Peradectes chesteri Gazin 1952 marsupial
Scenopagus edenensis
  -
Scenopagus edenensis McGrew et al. 1959
Scenopagus priscus
  -
Scenopagus priscus Marsh 1872