PBDB Collection

La Barge (Eocene of the United States)

Also known as 12 mi north of Big Piney; Tulsa

Where: Sublette County, Wyoming (42.7° N, 110.1° W: paleocoordinates 47.7° N, 93.5° W)

• coordinate based on political unit

When: LaBarge Member (Wasatch Formation), Wasatchian (55.8 - 50.3 Ma)

• said to be from the "Knight Mbr." (= LaBarge)

Environment/lithology: terrestrial; mudstone

Size classes: macrofossils, mesofossils

Primary reference: C. L. Gazin. 1962. A Further Study Of The Lower Eocene Mammalian Faunas Of Southwestern Wyoming. Smithsonian Miscellaneous Collections 144(1):1-98 [J. Alroy/J. Alroy/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15662: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to underlie the Tipton Shale (=Fontenelle), therefore clearly within the La Barge Mbr. sensu Krishtalka et al. 1987
apparently includes material referred to by Szalay 1969a as "Muddy Creek locality, 12 miles north of Big Piney... Sublette Co."
Lostcabinian

Show authors, comments, and common names

Reptilia
Squamata - Anguidae	Arpadosaurus gazinorum n. gen. n. sp.⁷ Arpadosaurus gazinorum n. gen. n. sp.⁷ Meszoely 1970 squamates
Mammalia
Leptictida - Leptictidae	Palaeictops bicuspis¹ Palaeictops bicuspis¹ Cope 1880 eutherian
Condylarthra - Hyopsodontidae	Hyopsodus wortmani, Hyopsodus cf. mentalis Hyopsodus wortmani Osborn 1902 condylarth Hyopsodus cf. mentalis Cope 1875 condylarth
Primates - Notharctidae	Notharctus cf. venticolus, Cantius nunienus¹ Notharctus cf. venticolus Osborn 1902 primate Cantius nunienus¹ Cope 1881 primate
Primates - Microsyopidae	Microsyops knightensis¹ Microsyops knightensis¹ Gazin 1952 primate
Primates - Omomyidae	Chlororhysis knightensis n. sp., Absarokius abbotti¹, Anemorhysis sublettensis n. sp., Loveina sheai¹ Chlororhysis knightensis n. sp. Gazin 1958 tarsier Absarokius abbotti¹ Loomis 1906 tarsier Anemorhysis sublettensis n. sp. Gazin 1952 tarsier presumably includes tentative record of Gunnell 1995a from "Red Buttes... 12 miles north of Big Piney" Loveina sheai¹ Gazin 1962 tarsier
Rodentia - Cylindrodontidae	Dawsonomys woodi Dawsonomys woodi Gazin 1961 rodent
Rodentia - Ischyromyidae	Paramys excavatus, Paramys copei Paramys excavatus Loomis 1907 rodent assigned to P. excavatus excavatus by Wood 1962 Paramys copei Loomis 1907 rodent includes "P. major"; described by Wood 1962 as P. copei copei
Rodentia - Sciuravidae	Knightomys senior Knightomys senior Gazin 1952 rodent
Placentalia -	Perissodactyla indet.¹ Perissodactyla indet.¹ Owen 1848 odd-toed ungulate
Perissodactyla - Brontotheriidae	Lambdotherium popoagicum Lambdotherium popoagicum Cope 1880 brontothere see Bonillas 1936
Perissodactyla - Equidae	Protorohippus cf. venticolum⁵, Minippus index² Protorohippus cf. venticolum⁵ Cope 1881 horse "LaBarge medium" Minippus index² Cope 1873 horse
Perissodactyla -	Heptodon posticus⁸, Heptodon calciculus¹ Heptodon posticus⁸ Cope 1882 odd-toed ungulate Heptodon calciculus¹ Cope 1880 odd-toed ungulate
Tribosphenida - Phenacodontidae	Meniscotherium chamense¹ Meniscotherium chamense¹ Cope 1874 condylarth
Procreodi - Arctocyonidae	Thryptacodon antiquus Thryptacodon antiquus Matthew and Granger 1915 condylarth
Artiodactyla - Homacodontidae	Hexacodus pelodes Hexacodus pelodes Gazin 1952 even-toed ungulate
Artiodactyla - Diacodexeidae	Bunophorus cf. macropternus, Diacodexis sp.¹ Bunophorus cf. macropternus Cope 1882 even-toed ungulate Diacodexis sp.¹ Cope 1882 even-toed ungulate
Acreodi -	Wyolestes dioctes n. sp.³ Wyolestes dioctes n. sp.³ Gingerich 1982 mesonychian
Ferae -	Vulpavus australis¹, Miacis sp.¹, Miacis cf. latidens, Uintacyon asodes Vulpavus australis¹ Matthew and Granger 1915 placental Miacis sp.¹ Cope 1872 placental Miacis cf. latidens Matthew and Granger 1915 placental Uintacyon asodes Gazin 1952 placental
Ferae - Viverravidae	Viverravus lutosus, Didymictis altidens Viverravus lutosus Gazin 1952 placental Didymictis altidens Cope 1880 placental
Creodonta -	Prolimnocyon antiquus¹ Prolimnocyon antiquus¹ Matthew and Granger 1915 creodont
Creodonta - Hyaenodontidae	Gazinocyon cf. vulpeculus¹, Tritemnodon cf. strenuus¹ Gazinocyon cf. vulpeculus¹ Matthew and Granger 1915 creodont Tritemnodon cf. strenuus¹ Cope 1875 creodont
Creodonta - Oxyaenidae	Oxyaena lupina⁴, Ambloctonus major Oxyaena lupina⁴ Cope 1874 creodont Ambloctonus major Denison 1938 creodont
Ferae - Epoicotheriidae	Tubulodon pearcei¹ Tubulodon pearcei¹ Gazin 1952 placental
Taeniodonta -	Stylinodontinae indet. Stylinodontinae indet. Schlosser 1911 taeniodont confirmed by Schoch 1986
Cimolesta - Esthonychidae	Esthonyx acutidens Esthonyx acutidens Cope 1881 tillodont
Cimolesta - Coryphodontidae	Coryphodon lobatus⁶, Coryphodon radians Coryphodon lobatus⁶ Cope 1877 pantodont Coryphodon radians Cope 1872 pantodont
Cimolesta - Apatemyidae	Apatemys bellulus¹ Apatemys bellulus¹ Marsh 1872 eutherian
Tribosphenida - Peradectidae	Peradectes chesteri¹ Peradectes chesteri¹ Gazin 1952 marsupial
Tribosphenida - Herpetotheriidae	Peratherium edwardi Peratherium edwardi Gazin 1952 marsupial

¹Alroy 2002; ²Froehlich 2002; ³Gingerich 1982; ⁴Gunnell 1998; ⁵Hussain 1971; ⁶Lucas 1998; ⁷Meszoely 1970; ⁸Radinsky 1963