Sheep Mountain Table (Poleslide): Whitneyan, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Perissodactyla
- Equidae
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Equidae indet.
Gray 1821
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Mammalia
- Protoceratidae
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Protoceras sp.
Marsh 1891
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1 specimen | |||||||||
Mammalia
- Leptomerycidae
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Leptomeryx sp.
Leidy 1853
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1 specimen | |||||||||
Mammalia
- Tayassuidae
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Tayassuidae indet.
Palmer 1897
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Mammalia
- Merycoidodontidae
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Miniochoerus cheyennensis n. sp.
Schultz and Falkenbach 1956
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synonym of Miniochoerus starkensis | ||||||||||
Brule Zone D Sheep Mt., Shannon Co.; Wilson reports an indeterminate oreodont | ||||||||||
Paramerycoidodon major
Leidy 1853
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recombined as Merycoidodon major | ||||||||||
"NE. face of Sheep Mt."; also their "M. lambi" from "SE." and "SW. side" of Sheep Mountain; "M. lynchi" type "SW. side of Sheep Mt." and referred "head of Wind Creek, E. side of Sheep Mt."; "P. wanlessi" "head of Wind Creek, E. and S. of Sheep Mt."; "SW. side" and "SE. corner" of Sheep Mountain; "Otionohyus alexi" from "S. side of Sheep Mt."; "Genetochoerus chamberlaini" from "E. side of Sheep Mt." and "head of Wind Creek"; all Brule Zone D; and "Promesoreodon scanloni" Schultz and Falkenbach 1949 from Sheep Mountain ("Washington" Co.), Poleslide Mbr. | ||||||||||
Leptauchenia decora
Leidy 1856
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Schultz and Falkenbach 1968 | |||||||||
"SW. side" and "E. side" of Sheep Mountain, Brule Zone D; "L. sp." (three specimens not described by Schultz and Falkenbach) | ||||||||||
Hadroleptauchenia primitiva
Schultz and Falkenbach 1968
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= Leptauchenia major
Leidy 1856
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Schultz and Falkenbach 1968 | |||||||||
"SE. corner of Sheep Mt." in "Brule Zone D" | ||||||||||
Mammalia
- Carnivora
- Canidae
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Archaeocyon pavidus
(Stock 1933)
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Wang et al. 1999 | |||||||||
"Southeast corner of Sheep Mountain, uppermost part of Poleslide Member... 3 ft below base of Rockyford Ash... Shannon County"; "Canidae indet." | ||||||||||
Mammalia
- Talpidae
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Arctoryctes sp.
Matthew 1907
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= Proscalopinae indet.
Reed 1961
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Reed and Turnbull 1965 | |||||||||
"Pole Slide beds, 'Protoceros ss'... Sheep Mountain Table" | ||||||||||
Mammalia
- Rodentia
- Castoridae
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Castoridae indet.
Gray 1821
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Mammalia
- Lagomorpha
- Leporidae
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Palaeolagus sp.
Leidy 1856
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1 specimen | |||||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Pennington |
Coordinates: | 43.9° North, 102.4° West (view map) | ||||
Paleocoordinates: | 44.9° North, 94.8° West | ||||
Basis of coordinate: | based on political unit |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
*Period: | Tertiary | ||
Key time interval: | Whitneyan | ||
Age range of interval: | 31.80000 - 29.50000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Brule | Member: | upper Poleslide |
Local section: | BgBad | Local bed: | 8 |
Local order: | bottom to top |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection size: | 16 specimens |
Taxonomic list comments:from the "channel phase" = Protoceras Channels southern 1/3 of the table is in Shannon Co. generically-identifiable NISP 16 (assuming that the four species described by Schultz and Falkenbach could be found among the 13 "Leptauchenia" and "oreodont" specimens of Wilson) |
Metadata
Database number: | 17380 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
Created: | 1995-10-18 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
Access level: | the public | Released: | 1995-10-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3707. | R. W. Wilson. 1985. The Dentition of the Paleocene "Insectivore" Genus Acmeodon Matthew and Granger (?Palaeoryctidae, Mammalia). Journal of Paleontology 59(3):713-720 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
2847 | C. A. Reed and W. D. Turnbull. 1965. The Mammalian Genera Arctoryctes and Cryptoryctes From the Oligocene and Miocene of North America. Fieldiana 15(2) [J. Alroy/J. Alroy/J. Ju] | |
3068 | C. B. Schultz and C. H. Falkenbach. 1956. Miniochoerinae and Oreonetinae two new subfamilies of oreodonts. Bulletin of the American Museum of Natural History 109(4):373-482 [J. Alroy/J. Alroy/J. Marcot] | |
3069 | C. B. Schultz and C. H. Falkenbach. 1968. The Phylogeny of the Oreodonts. Part 1: Merycoidodontinae, Eporeodontinae, and Leptaucheniinae, Three Subfamilies Of Oreodonts, With an Appendix to the Revision Of The Merycoidodontidae, and Part 2. Summary and Conclusions Concerning the Merycoidodontidae. Bulletin of the American Museum of Natural History 139:1-498 [J. Alroy/J. Alroy/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] |