Where: Hot Springs/Washakie County, Wyoming (43.9° N, 108.3° W: paleocoordinates 50.6° N, 84.9° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Fort Union Formation, Puercan (66.0 - 63.3 Ma)
• Earlier literature referred to this as the 'Polecat Bench Formation'
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UW
Primary reference: J. E. Hartman. 1986. Paleontology and biostratigraphy of lower part of Polecat Bench Formation, southern Bighorn Basin, Wyoming. Contributions to Geology, University of Wyoming 24(1):11-63 [J. Alroy/M. Sommers]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 14805: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
""Carya" antiquorum" = Hicoria antiquora
""Carya" antiquorum" = Hicoria antiquora Newberry 1868 | |
"Ampelopsis" acerifolia Newberry 1868 | |
Cornus nebrascensis Schimper 1874 dogwood | |
Cercidiphyllum genetrix Newberry 1868 katsura | |
Platanus raynoldsii Newberry 1868 plane tree | |
Gnathostomata | |
Osteichthyes indet. bony fish | |
Amphibia | |
Habrosaurus dilatus Gilmore 1928 siren
Scapherpeton tectum Cope 1876 salamander | |
Mammalia | |
Mesodma sp. Jepsen 1940 multituberculate | |
Arctocyonidae indet. Murray 1866 condylarth | |
"Triisodontinae indet." = Triisodontidae
"Triisodontinae indet." = Triisodontidae Scott 1892 placental | |
Peradectes sp. Matthew and Granger 1921 marsupial | |
Reptilia | |
Testudinata indet. Oppel 1811 turtle
Compsemys victa Leidy 1856 turtle | |
Baenidae indet. Cope 1882 turtle | |
Adocus sp. Cope 1868 turtle | |
Squamata indet. squamates | |
cf. Swainiguanoides sp. Sullivan 1982 squamates | |
Anguidae indet. Gray 1825 squamates
cf. Machaerosaurus sp. Gilmore 1928 squamates
Odaxosaurus piger Gilmore 1928 squamates | |
Crocodylia indet. crocodilian | |
Crocodylidae indet. crocodile | |
Allognathosuchus sp. Mook 1921 crocodilian | |
Champsosaurus sp. Cope 1876 choristodere | |
Actinopteri | |
"Atractosteus occidentalis" = Lepisosteus occidentalis
| |
Amia sp. Linnaeus 1766 bowfin |