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 15830: authorized by John Alroy, entered by John Alroy on 27.09.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Chriacus sp. Cope 1883 condylarth | |
Hyopsodus loomisi McKenna 1960 condylarth | |
Reptilia | |
Melanosaurus maximus Gilmore 1928 squamates | |
Crocodylia indet. crocodilian | |
Allognathosuchus sp. Mook 1921 crocodilian | |
Actinopteri | |
Amia sp. Linnaeus 1766 bowfin |