Sinclair Quarry: Early/Lower Barstovian, Nebraska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Perissodactyla - Rhinocerotidae
Peraceras profectum (Matthew 1899)
Prothero 2005
"West Sinclair Quarry"
Mammalia - Perissodactyla - Equidae
Desmatippus integer (Matthew 1924)
Mihlbachler et al. 2011
Supplemental Table S1
Acritohippus isonesus (Cope 1889)
Mihlbachler et al. 2011
Supplemental Table S1
Mammalia - Palaeomerycidae
Cranioceras unicornis Matthew 1918
Frick 1937
"Sinclair Quarry"
Rakomeryx sinclairi (Matthew 1918)
Dromomeryx whitfordi Sinclair 1915
Frick 1937
synonym of Dromomeryx borealis
"Sinclair Quarry"
Mammalia - Antilocapridae
Merycodus sabulonis (Matthew and Cook 1909)
recombined as Cosoryx (Paracosoryx) sabulonis
presumably specimen of "M. necatus" figured by Matthew 1918a, made type of "Cosoryx savaronis" by Frick 1937
Cosoryx (Subparacosoryx) savaronis n. sp. Frick 1937
Frick 1937
synonym of Cosoryx (Paracosoryx) sabulonis
Mammalia - Merycoidodontidae
Brachycrus siouense n. sp. (Sinclair 1915)
Schultz and Falkenbach 1940
Schultz and Falkenbach 1940 say type is from Sinclair Draw, "Lower Snake Creek" deposits, Sioux County, Nebraska; collected by William Sinclair and associates,1914.
see common names

Geography
Country:United States State/province:Nebraska County:Sioux
Coordinates: 42.4° North, 103.8° West (view map)
Paleocoordinates:43.0° North, 100.6° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Early/Lower Barstovian
Age range of interval:15.97000 - 13.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Olcott Member:subcycle 2
Local section:Snake Local bed:4
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:Macdonald 1954 reports Pseudaelurus aeluroides from "Lower Snake Creek" of "Northeast rim of Sinclair Draw"
Metadata
Also known as:Princeton's Locality 1000C; Sinclair Draw Quarry
Database number:17995
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Modifier:G. Varnham Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2022-04-27 08:19:36
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3175. 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]

Secondary references:

6222 C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]
7015 W. D. Matthew. 1924. Third contribution to the Snake Creek Fauna. Bulletin of the American Museum of Natural History 50:59-210 [J. Alroy/J. Alroy/J. Alroy]
61275 M. C. Mihlbachler, F. Rivals, N. Solounias and G. M. Semprebon. 2011. Dietary Change and Evolution of Horses in North America. Science 331:1178-1181 [J. Marcot/J. Marcot]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
3062 C. B. Schultz and C. H. Falkenbach. 1940. Merycochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 77(5):213-306 [J. Alroy/J. Alroy/J. Marcot]