Also known as 5GN 189
Where: Gunnison County, Colorado (38.5° N, 107.2° W: paleocoordinates 38.5° N, 107.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• "Two carbon 14 dates... based on bone apatite of unidentifiable fragments from levels 3 and 4 and 5 and 6. The sample from levels 3 and 4" was "dated as 14,935 +/- 610 B.P.; the sample from levels 5 and 6... was less accurate... and dated as 12,154 +/- 1,700 B.P. Both dates are corrected and indicate deposition of levels 3-6 during the late Pleistocene."
• group of beds-level stratigraphic resolution
Environment/lithology: cave; brown, conglomeratic siltstone
Size classes: macrofossils, mesofossils
Preservation: bone collector, midden
Collected by National Park Service in 1978
Collection methods: bulk, quarrying, sieve,
• "matrix was screened through one-quarter-inch screen"
Primary reference: S. D. Emslie. 1986. Late Pleistocene vertebrates from Gunnison County, Colorado. Journal of Paleontology 60(1):170-176 [J. Alroy/J. Alroy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 74954: authorized by John Alroy, entered by John Alroy on 07.09.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
| |
Mammalia | |
"Spermophilus richardsonii" = Urocitellus richardsonii, Marmota flaviventris
"Spermophilus richardsonii" = Urocitellus richardsonii Sabine 1822 Holarctic ground squirrel
Marmota flaviventris Audubon and Bachman 1841 yellow-bellied marmot | |
Thomomys sp. Wied-Neuwied 1839 pocket gopher
Thomomys talpoides Richardson 1828 northern pocket gopher | |
Neotoma sp., Neotoma cinerea, "Lagurus curtatus" = Lemmiscus curtatus, Phenacomys intermedius, Microtus sp., Microtus longicaudus
Neotoma cinerea Ord 1815 bushy-tailed woodrat
"Lagurus curtatus" = Lemmiscus curtatus Cope 1868 sagebrush vole
Phenacomys intermedius Merriam 1889 western heather vole
Microtus sp. Schrank 1798 vole
Microtus longicaudus Merriam 1888 long-tailed vole | |
Lepus sp. Linnaeus 1758 hare
Sylvilagus sp. Gray 1867 cottontail rabbit | |
Ochotona princeps Richardson 1828 American pika | |
Equus sp. Linnaeus 1758 horse | |
Odocoileus hemionus Rafinesque 1817 mule deer | |
"Ovis catclawensis" = Ovis canadensis
| |
Antilocapra americana Ord 1815 pronghorn | |
"cf. Acinonyx trumani" = Miracinonyx trumani
"cf. Acinonyx trumani" = Miracinonyx trumani Orr 1969 American cheetah "cf. Acinonyx (Miracinonyx) trumani"
| |
Spilogale putorius Linnaeus 1758 eastern spotted skunk | |
Ursus americanus Pallas 1780 black bear | |
Vulpes vulpes Linnaeus 1758 red fox | |
Aves | |
Buteo sp. de Lacepède 1799 hawk | |
Sialia sp. Swainson 1827 bluebird | |
Lagopus sp. Brisson 1760 ptarmigan |