PBDB Collection

New Fork (Eocene of the United States)

Also known as Alkali Creek

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

• coordinate based on political unit

When: Cathedral Bluffs Tongue Member (Wasatch Formation), Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

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

PaleoDB collection 15710: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• called "New Fork or Cathedral Bluff's exposures" by Gazin 1965b, and probably includes localities in the Alkali Creek Tongue and Farson Sandstone according to Holroyd pers. commun. 31 May 2001
this collection is NOT from West's New Fork-Big Sandy field area
Lostcabinian

Show authors, comments, and common names

Mammalia
Condylarthra - Hyopsodontidae	Hyopsodus wortmani, Hyopsodus cf. mentalis, Hyopsodus cf. walcottianus Hyopsodus wortmani Osborn 1902 condylarth Hyopsodus cf. mentalis Cope 1875 condylarth Hyopsodus cf. walcottianus Matthew 1915 condylarth
Rodentia - Sciuravidae	Sciuravus wilsoni Sciuravus wilsoni Gazin 1961 rodent
Rodentia - Ischyromyidae	Paramys copei² Paramys copei² Loomis 1907 rodent
Primates - Notharctidae	Notharctus cf. venticolus, Cantius cf. nunienus¹ Notharctus cf. venticolus Osborn 1902 primate Cantius cf. nunienus¹ Cope 1881 primate
Primates - Microsyopidae	Microsyops cf. scottianus³ Microsyops cf. scottianus³ Cope 1881 primate
Acreodi - Hapalodectidae	Hapalodectes leptognathus¹ Hapalodectes leptognathus¹ Osborn and Wortman 1892 condylarth
Acreodi - Mesonychidae	? Pachyaena sp. ? Pachyaena sp. Cope 1874 condylarth
Creodonta - Hyaenodontidae	Gazinocyon cf. vulpeculus¹ Gazinocyon cf. vulpeculus¹ Matthew and Granger 1915 creodont
Creodonta -	Prolimnocyon cf. antiquus Prolimnocyon cf. antiquus Matthew and Granger 1915 creodont
Theriamorpha -	Uintacyon asodes, Miacis sp.¹, Vulpavus canavus⁴ Uintacyon asodes Gazin 1952 placental Miacis sp.¹ Cope 1872 placental Vulpavus canavus⁴ Cope 1881 placental
Theriamorpha - Viverravidae	Didymictis altidens, Viverravus cf. gracilis¹, Viverravus lutosus Didymictis altidens Cope 1880 placental Viverravus cf. gracilis¹ Marsh 1872 placental Viverravus lutosus Gazin 1952 placental
Artiodactyla - Homacodontidae	Hexacodus pelodes Hexacodus pelodes Gazin 1952 even-toed ungulate
Artiodactyla - Diacodexeidae	Diacodexis sp.¹, Bunophorus cf. etsagicus Diacodexis sp.¹ Cope 1882 even-toed ungulate Bunophorus cf. etsagicus Cope 1882 even-toed ungulate
Theriamorpha - Phenacodontidae	Meniscotherium cf. chamense Meniscotherium cf. chamense Cope 1874 condylarth
Placentalia -	Perissodactyla indet.¹ Perissodactyla indet.¹ Owen 1848 odd-toed ungulate
Perissodactyla -	Heptodon calciculus¹ Heptodon calciculus¹ Cope 1880 odd-toed ungulate
Perissodactyla - Hyrachyidae	Hyrachyus cf. modestus Hyrachyus cf. modestus Leidy 1870 odd-toed ungulate
Perissodactyla - Palaeotheriidae	Hyracotherium vasacciense Hyracotherium vasacciense Cope 1872 odd-toed ungulate
Perissodactyla - Brontotheriidae	Lambdotherium popoagicum Lambdotherium popoagicum Cope 1880 brontothere
Theriamorpha - Pantolestoidae	Palaeosinopa cf. didelphoides Palaeosinopa cf. didelphoides Cope 1881 placental
Cimolesta - Esthonychidae	Esthonyx acutidens Esthonyx acutidens Cope 1881 tillodont
Dinocerata - Uintatheriidae	cf. Bathyopsis fissidens cf. Bathyopsis fissidens Cope 1881 uintathere

¹Alroy 2002; ²Black and Sutton 1984; ³Gunnell 1989; ⁴Guthrie 1971