Sheep Mountain Table (Poleslide): Whitneyan, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Canidae
Archaeocyon pavidus (Stock 1933)
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 - Perissodactyla - Equidae
Equidae indet. Gray 1821
Mammalia - Merycoidodontidae
Miniochoerus cheyennensis n. sp. Schultz and Falkenbach 1956
synonym of Miniochoerus starkensis
Brule Zone D Sheep Mt., Shannon Co.; Wilson reports an indeterminate oreodont
Paramerycoidodon major Leidy 1853
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
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
    = Leptauchenia major Leidy 1856
Schultz and Falkenbach 1968
"SE. corner of Sheep Mt." in "Brule Zone D"
Mammalia - Tayassuidae
Tayassuidae indet. Palmer 1897
Mammalia - Protoceratidae
Protoceras sp. Marsh 1891
1 specimen
Mammalia - Leptomerycidae
Leptomeryx sp. Leidy 1853
1 specimen
Mammalia - Talpidae
Arctoryctes sp. Matthew 1907
    = Proscalopinae indet. Reed 1961
Reed and Turnbull 1965
"Pole Slide beds, 'Protoceros ss'... Sheep Mountain Table"
Mammalia - Lagomorpha - Leporidae
Palaeolagus sp. Leidy 1856
1 specimen
Mammalia - Rodentia - Castoridae
Castoridae indet. Gray 1821
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]