Also known as UNSM Bw-109
Where: Brown County, Nebraska (42.8° N, 100.1° W: paleocoordinates 42.8° N, 100.1° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• "late Pleistocene (Rancholabrean)... The fossiliferous stratum lies 15 m above the base and 5 m below the exposed top of an unnamed Pleistocene terrace deposit"
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; unlithified sandstone
Size class: macrofossils
Collected by R. Evander, K. Seevers, K. Terrell in 1980; reposited in the UNSM
Collection methods: surface (in situ),
• "collected in situ"
Primary reference: M. R. Voorhies. 1981. A fossil record of the porcupine (Erethizon dorsatum) from the Great Plains. Journal of Mammalogy 62(4):835-837 [J. Alroy/J. Alroy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 93179: authorized by John Alroy, entered by John Alroy on 06.01.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
| |
"Spermophilus richardsonii" = Urocitellus richardsonii
"Spermophilus richardsonii" = Urocitellus richardsonii Sabine 1822 Holarctic ground squirrel | |
Erethizon dorsatum Linnaeus 1758 North American porcupine | |
Phenacomys cf. intermedius Merriam 1889 western heather vole
Ondatra zibethicus Linnaeus 1766 muskrat
Dicrostonyx torquatus Pallas 1778 Arctic lemming |