Also known as Quarry 6
Where: Sioux County, Nebraska (42.4° N, 103.8° W: paleocoordinates 43.0° N, 100.6° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Olcott Formation, Early/Lower Barstovian (16.3 - 12.5 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 17919: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
subcycle unknown
Mammalia | |
"Amblycastor fluminus" = Anchitheriomys
"Amblycastor fluminus" = Anchitheriomys beaver (sic): probably includes specimen of Stirton 1935 from "Quarry 6, Kilpatrick pasture"
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Tomarctus hippophaga5 Matthew and Cook 1909 bone-crushing dog may also include their "Quarry 6" specimen
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Merycodus sabulonis Matthew and Cook 1909 pronghorn "Cosoryx (Paracosoryx) sp." Frick 1937: dentition compared to both M. sabulonis and "C. savaronis"; from "Quarry No. 6, Lower Snake Creek"
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Aves | |
Geranoaetus contortus6 Wetmore 1924 buzzard-eagle 1927 Thomson collection from "the lower Snake Creek beds (Upper Miocene) on Olcott Hill": Thomson's 1925 - 1927 "Lower Snake Creek"/Miocene collections were from Grass Roots Quarry, see Skinner et al. 1977 p. 282, 336, 337
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