Wolton (Eocene of the United States)

Also known as Guthrie Locality 2

Where: Natrona County, Wyoming (43.2° N, 107.1° W: paleocoordinates 47.8° N, 90.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lost Cabin Member (Wind River Formation), Lostcabinian (55.8 - 50.3 Ma)

• said to be Lostcabinian

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 16078: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• position relative to Davis Ranch (and by extension all other localities) is not resolved
Mammalia
 Primates - Microsyopidae
Microsyops cf. scottianus Cope 1881 primate
 Primates - Omomyidae
Shoshonius cooperi Granger 1910 tarsier
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Pantolestidae
Palaeosinopa didelphoides Cope 1881 eutherian
 Rodentia - Ischyromyidae
Paramys copei Loomis 1907 rodent
 Placentalia -
Perissodactyla indet.1 Owen 1848 odd-toed ungulate
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Perissodactyla -
Heptodon posticus Cope 1882 odd-toed ungulate
 Perissodactyla - Palaeotheriidae
Hyracotherium vasacciense Cope 1872 odd-toed ungulate
 Ferae - Viverravidae
Didymictis altidens Cope 1880 placental
Viverravus cf. gracilis Marsh 1872 placental
 Ferae -
cf. Vassacyon sp. Matthew 1909 placental
 Carnivora - Miacidae
Miacidae indet.1 Cope 1880 carnivoran
 Carnivora -
Vulpavus canavus Cope 1881 carnivoran
 Trogontia - Esthonychidae
Esthonyx acutidens Cope 1881 tillodont
 Tribosphenida - Arctocyonidae
Thryptacodon antiquus1 Matthew and Granger 1915 condylarth
 Ungulata - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
possibly H. minusculus
Hyopsodus paulus Leidy 1870 condylarth
 Ungulata - Uintatheriidae
Bathyopsis fissidens Cope 1881 uintathere
 Ungulata - Diacodexeidae
Bunophorus sinclairi Guthrie 1966 even-toed ungulate
Diacodexis sp. Cope 1882 even-toed ungulate
Diacodexis secans2 Cope 1881 even-toed ungulate
 Ungulata - Phenacodontidae
Phenacodus sp.1 Cope 1873 condylarth
 Insectivora - Apatemyidae
Apatemys cf. bellulus Marsh 1872 insectivoran
 Hyaenodonta -
Prolimnocyon antiquus Matthew and Granger 1915 eutherian