Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.2° N, 91.9° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial
Reposited in the UMMP
Primary reference: P. D. Gingerich. 1989. New earliest Wasatchian mammalian fauna from the Eocene of northwestern Wyoming: composition and diversity in a rarely sampled high-floodplain assemblage. University of Michigan Papers on Paleontology 28:1-97 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 15780: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
| |
Allognathosuchus sp. Mook 1921 crocodilian | |
Melanosaurus maximus Gilmore 1928 squamates | |
Mammalia | |
| |
Paramys taurus Korth 1984 rodent | |
| |
Copecion davisi Gingerich 1989 condylarth
Ectocion parvus Granger 1915 condylarth | |
"Hyracotherium sandrae" = Sifrhippus sandrae
"Hyracotherium sandrae" = Sifrhippus sandrae Gingerich 1989 horse | |
Actinopteri | |
Lepisosteus sp. Agassiz 1843 gar | |
Gastropoda | |
"Holospira" sp. Martens 1860 slug |