East Surface Quarry: Early/Lower Barstovian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Globidonta indet.
Brochu 1999
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Whiting and Head 2020 | |||||||||
UNSM 135035 | ||||||||||
Reptilia
- Testudines
- Chelydridae
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Chelydrops stricta n. sp.
Matthew 1924
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recombined as Macrochelys stricta | ||||||||||
Matthew 1924: testudinid | ||||||||||
Mammalia
- Carnivora
- Amphicyonidae
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Pliocyon medius n. sp.
Matthew 1918
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Amphicyon sinapius
Matthew 1902
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= Cynelos sinapius
Matthew 1902
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Alroy 2002 | |||||||||
Mammalia
- Carnivora
- Mustelidae
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Mionictis incertus n. sp.
Matthew 1924
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Mammalia
- Carnivora
- Procyonidae
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Bassariscus antiquus
Matthew and Cook 1909
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Baskin 2004 | |||||||||
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 | ||||||||||
Mammalia
- Carnivora
- Canidae
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Microtomarctus conferta
(Matthew 1918)
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Wang et al. 1999 | |||||||||
"Quarry A" | ||||||||||
Tomarctus hippophaga
(Matthew and Cook 1909)
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Wang et al. 1999 | |||||||||
"Quarry A" | ||||||||||
Tomarctus brevirostris
Cope 1873
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Wang et al. 1999 | |||||||||
"Quarry A" | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Hypohippus pertinax
Matthew 1918
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= Hypohippus osborni
Gidley 1907
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Alroy 2002 | |||||||||
Scaphohippus intermontanus
(Merriam 1915)
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1: "Quarry 2" | ||||||||||
Neohipparion sp.
Gidley 1903
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1 | ||||||||||
Acritohippus isonesus
(Cope 1889)
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1 | ||||||||||
Merychippus insignis
Leidy 1856
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Mihlbachler et al. 2011 | |||||||||
Supplemental Table S1: "Quarry 2" | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras medicornutum
Osborn 1904
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Prothero 2005 | |||||||||
"Quarry #2, East Sinclair Draw" | ||||||||||
Aphelops megalodus
(Cope 1873)
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Prothero 2005 | |||||||||
Mammalia
- Camelidae
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Aepycamelus procerus n. sp.
(Matthew and Cook 1909)
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"Thomson [MS.a] gave the locality as "Quarry 2,..."; "There is no doubt that the type of A. procerus is from the Olcott Formation." | ||||||||||
Mammalia
- Merycoidodontidae
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Ticholeptus hypsodus
Loomis 1924
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= Ticholeptus zygomaticus
Cope 1878
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Alroy 2002 | |||||||||
Mammalia
- Antilocapridae
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Merycodus sabulonis
(Matthew and Cook 1909)
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recombined as Cosoryx (Paracosoryx) sabulonis | ||||||||||
"Cosoryx (Paracosoryx) sp." Frick 1937: dentitions compared to both M. sabulonis and "C. savaronis"; from "Quarry A, Sinclair Draw" | ||||||||||
Mammalia
- Palaeomerycidae
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Dromomeryx whitfordi
Sinclair 1915
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Frick 1937 | |||||||||
synonym of Dromomeryx borealis | ||||||||||
"Quarry A" | ||||||||||
Mammalia
- Rodentia
- Castoridae
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Amblycastor fluminus
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= Anchitheriomys fluminis
Matthew 1918
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Alroy 2002 | |||||||||
(sic): described by Stirton 1935 | ||||||||||
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 3 | ||
Local section: | Snake | Local bed: | 5 | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Lower Snake Creek Beds; Barstovian 1 |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Museum repositories: | UNSM |
Taxonomic list comments:exactly equivalent to "Quarry A" |
Metadata
Also known as: | Quarry A; Quarry 2; Sinclair Q. No. 2; Sinclair Quarry 2 | ||
Database number: | 17904 | ||
Authorizer: | J. Alroy, J. Marcot, P. Mannion | Enterer: | J. Alroy, P. Mannion, J. Marcot |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2022-04-27 08:16:23 |
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:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
40876 | J. A. Baskin. 2004. Bassariscus and Probassariscus (Mammalia, Carnivora, Procyonidae) from the early Barstovian (Middle Miocene). Journal of Vertebrate Paleontology 24(3):709-720 [J. Alroy/J. Alroy] | |
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] | |
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] | |
3558 | X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy] | |
72834 | E. T. Whiting and J. J. Head. 2020. Neogene crocodylians from the Central Great Plains: spatiotemporal histories and relationships with regional climatic and environmental changes. Journal of Vertebrate Paleontology 40(1):e1764007:1-14 [P. Mannion/P. Mannion/P. Mannion] |