PBDB Collection

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

Show authors, comments, and common names

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

¹Alroy 2002; ²Redline 1997