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: D. A. Winkler. 1983. Paleoecology of an Early Eocene mammalian fauna from paleosols in the Clarks Fork Basin, northwestern Wyoming (U.S.A.). Palaeography, Palaeoclimatology, Palaeoecology 43:261-298 [J. Alroy/J. Alroy/R. Whatley]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 15793: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Robin Whatley
Creative Commons license: CC BY (attribution)
Taxonomic list
1645 m level
unclassified | |
Gastropoda | |
Grangerella sp. Cockerell 1915 slug | |
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Oreohelix sp. Pilsbry 1904 mountain snail | |
Polygyra sp. Say 1818 slug | |
Physa sp. Draparnaud 1801 snail | |
Discus sp. Fitzinger 1833 disk snail | |
Viviparus sp. Montfort 1810 snail | |
Amphibia | |
Anura indet. frog | |
Mammalia | |
Esthonyx spatularius Cope 1880 tillodont | |
Coryphodon sp. Owen 1845 pantodont | |
cf. Prodiacodon sp. Matthew 1929 eutherian | |
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Erinaceidae indet. Fischer von Waldheim 1817 hedgehog | |
cf. Talpavus sp. Marsh 1872 placental | |
Oxyaena gulo Matthew and Granger 1915 creodont | |
Tritemnodon sp. Matthew 1906 creodont | |
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"Miacis winkleri" = Gracilocyon winkleri4
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Pachyaena sp. Cope 1874 condylarth | |
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"Hyracotherium grangeri" = Sifrhippus grangeri
"Hyracotherium grangeri" = Sifrhippus grangeri Gingerich 1989 horse | |
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Thryptacodon antiquus Matthew and Granger 1915 condylarth | |
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"Teilhardina americana" = Bownomomys americanus3
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Hyopsodus loomisi McKenna 1960 condylarth | |
Haplomylus speirianus Cope 1880 elephant shrew | |
Eoryctes melanus10 Thewissen and Gingerich 1989 eutherian presumably includes "cf. Palaeoryctes sp.," which is in the same subfamily
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Ectoganus sp. Cope 1874 taeniodont | |
Ectypodus tardus Jepsen 1940 multituberculate | |
Reptilia | |
Allognathosuchus sp. Mook 1921 crocodilian | |
Aves | |
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Reptilia | |
Melanosaurus maximus Gilmore 1928 squamates
Paraglyptosaurus sp. Sullivan 1979 squamates
Odaxosaurus cf. jepseni squamates
cf. Gerrhonotus sp. Wiegmann 1828 alligator lizard | |
"Baena" "sp." Leidy 1870 turtle | |
Actinopteri | |
Amia sp. Linnaeus 1766 bowfin | |
Lepisosteus sp. Agassiz 1843 gar |