Also known as Quarry A; Quarry 2; Sinclair Q. No. 2; Sinclair Quarry 2
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: subcycle 3 Member (Olcott Formation), Early/Lower Barstovian (16.0 - 13.6 Ma)
• Lower Snake Creek Beds; Barstovian 1
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Reposited in the UNSM
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 17904: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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"Chelydrops stricta n. sp." = Macrochelys stricta
"Chelydrops stricta n. sp." = Macrochelys stricta Matthew 1924 alligator snapping turtle Matthew 1924: testudinid
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Mammalia | |
Pliocyon medius n. sp. Matthew 1918 bear-dog | |
Mionictis incertus n. sp.
Mionictis incertus n. sp. Matthew 1924 otter | |
Bassariscus antiquus2 Matthew and Cook 1909 ringtail F:AM 25251 from "Quarry 2": I assume this means Sinclair Quarry No. 2,but it could also be East Surface Quarry or Trojan Quarry
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Hypohippus osborni1, Scaphohippus intermontanus4, Neohipparion sp.4, Acritohippus isonesus4, Merychippus insignis4
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Aepycamelus procerus n. sp.
Aepycamelus procerus n. sp. Matthew and Cook 1909 camel "Thomson [MS.a] gave the locality as "Quarry 2,..."; "There is no doubt that the type of A. procerus is from the Olcott Formation."
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Merycodus sabulonis Matthew and Cook 1909 pronghorn "Cosoryx (Paracosoryx) sp." Frick 1937: dentitions compared to both M. sabulonis and "C. savaronis"; from "Quarry A, Sinclair Draw"
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"Dromomeryx whitfordi" = Dromomeryx borealis3
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