Sharps (Cedar Pass Stream Channel): Arikareean, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Castoridae
Palaeocastor cf. nebrascensis (Leidy 1856)
    = Palaeocastor sp. Leidy 1869
Tedford et al. 1996
Mammalia - Rodentia
Proheteromys sp. Wood 1932
    = Geomyoidea indet. Bonaparte 1845
Alroy 2002
Mammalia - Rodentia - Eomyidae
Eomyidae indet. Winge 1887
Green 1977
"Plesiosminthus"; misidentification also noted by Martin 1974
Mammalia - Rodentia - Florentiamyidae
Hitonkala andersontau Macdonald 1963
Mammalia - Rodentia - Sciuridae
Nototamias sp. Pratt and Morgan 1989
"Tamias": probably the same as "Tamias" from Godsell Ranch Channel, referred to Nototamias by Korth 1992a
Mammalia - Carnivora - Nimravidae
Eusmilus olsontau
    = Eusmilus cerebralis Cope 1880
Tedford et al. 1996
recombined as Hoplophoneus cerebralis
Mammalia - Entelodontidae
Dinohyus sp. Peterson 1905
Mammalia - Merycoidodontidae
Hadroleptauchenia shanafeltae Schultz and Falkenbach 1968
    = Leptauchenia major Leidy 1856
Schultz and Falkenbach 1968
"channel deposits capping 'Leptauchenia beds' at Cedar Pass"; also "near Cedar Pass"; may include their "Pseudocyclopidius" major from "lower Gering" equivalent "1/4 to 1 mile east of Cedar Pass"
Mammalia - Leptomerycidae
Leptomeryx sp. Leidy 1853
Tedford et al. 1996
Mammalia - Soricidae
Domnina sp. Cope 1873
Mammalia - Talpidae
? Talpidae indet. (Fischer de Waldheim 1817)
see common names

Geography
Country:United States State/province:South Dakota County:Jackson
Coordinates: 43.5° North, 101.9° West (view map)
Paleocoordinates:44.3° North, 96.0° West
Basis of coordinate:based on political unit
Time
10 m.y. bin:Cenozoic 4-5
*Period:Tertiary *Epoch:Oligocene
Key time interval:Arikareean
Age range of interval:29.50000 - 18.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Local section:BgBad Local bed:10
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:70' above Rockyford Ash
closely compared with Godsell Ranch
material of Tedford et al. 1996 is definitely from the same locality
Metadata
Also known as:Sharps A
Database number:17606
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1996-08-05 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:1996-08-05 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
2728. D. C. Parris and M. Green. 1969. Dinohyus (Mammalia: Entelodontidae) in the Sharps Formation, South Dakota. Journal of Paleontology 43(5):1277-1279 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1713 M. Green. 1977. A new species of Plesiosorex Mammalia, Insectivora from the Miocene of South Dakota. Neues Jahrbuch fur Geologie unde Palaeontologie 1977(4):189-198 [J. Alroy/J. Alroy/P. Wagner]
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]
3386 R. H. Tedford, C. C. Swisher, D. R. Prothero, S. A. King, and T. E. Tierney. 1996. The Whitneyan-Arikareean transition in the High Plains. In D. R. Prothero, R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 312-334 [J. Alroy/J. Alroy/M. Uhen]