Where: Park County, Wyoming (44.6° N, 108.6° W: paleocoordinates 49.4° N, 91.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; lithified siliciclastic sediments
Size classes: macrofossils, mesofossils
Reposited in the UMMP
Collection methods: surface (float), surface (in situ),
Primary reference: P. D. Polly. 1997. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(1):1-53 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 15699: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Leah Gannon and Will Clyde
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Haplomylus speirianus Cope 1880 elephant shrew
Haplomylus speirianus Cope 1880 elephant shrew | |
Palaeosinopa lutreola Matthew 1918 placental | |
Phenacodus ? trilobatus Cope 1881 condylarth
Phenacodus intermedius Granger 1915 condylarth
Ectocion osbornianus Cope 1882 condylarth | |
Homogalax protapirinus Wortman 1896 odd-toed ungulate | |
"Hyracotherium aemulor" = Arenahippus aemulor
"Hyracotherium aemulor" = Arenahippus aemulor Gingerich 1991 horse | |
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
Thryptacodon antiquus Matthew and Granger 1915 condylarth | |
Palaeanodon sp. Matthew 1918 placental | |
Didymictis leptomylus Cope 1880 placental | |
Arfia opisthotoma Matthew 1901 creodont | |
Cantius mckennai Gingerich and Simons 1977 primate | |
Paramys copei Loomis 1907 rodent
Paramys taurus Korth 1984 rodent | |
Hyopsodus latidens Denison 1937 condylarth | |
Coryphodon radians Cope 1872 pantodont | |
Esthonyx bisulcatus Cope 1874 tillodont | |
Reptilia | |
Allognathosuchus sp. Mook 1921 crocodilian | |
Testudines indet. Batsch 1788 turtle |