Sharps (SDSM V-5358): Geringian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Carnivora - Canidae
Nothocyon lemur (Cope 1879)
1 specimen
    = Archaeocyon leptodus Schlaikjer 1935
Wang et al. 1999
Nothocyon roii Macdonald 1963
2 specimens
recombined as Cynarctoides roii
(see Wang et al. 1999)
"Mesocyon" robustus Matthew 1907
1 specimen
    = "Mesocyon" cf. temnodon Wortman and Matthew 1899
Wang 1994
said to "probably" be temnodon
Sunkahetanka geringensis (Barbour and Schultz 1935)
1 specimen
confirmed by Wang 1994
Mammalia - Perissodactyla - Equidae
Miohippus equiceps (Cope 1878)
1 specimen
Mammalia - Perissodactyla - Rhinocerotidae
Diceratherium cf. gregorii Peterson 1920
1 specimen
synonym of Diceratherium armatum
Mammalia - Merycoidodontidae
Mesoreodon megalodon Peterson 1907
1 specimen
recombined as Desmatochoerus megalodon
Mammalia - Hypertragulidae
Nanotragulus intermedius Schlaikjer 1935
9 specimens
synonym of Nanotragulus loomisi
(includes estimated 3 maxillaries)
Mammalia - Lagomorpha - Leporidae
? Megalagus cf. primitivus (Schlaikjer 1935)
1 specimen
Palaeolagus philoi n. sp. Dawson 1958
5 specimens
see Dawson 1958
Palaeolagus hypsodus Schlaikjer 1935
2 specimens
Mammalia - Rodentia - Castoridae
Palaeocastor nebrascensis (Leidy 1856)
    = Palaeocastor sp. Leidy 1869
Alroy 2002
see Xu 1996
Capacikala gradatus (Cope 1878)
4 specimens
Mammalia - Primates - Ekgmowechashalidae
Ekgmowechashala philotau Macdonald 1963
2 specimens
Mammalia
Peratherium spindleri Macdonald 1963
1 specimen
synonym of Herpetotherium youngi
see common names

Geography
Country:United States State/province:South Dakota County:Shannon
Coordinates: 43.3° North, 102.5° West (view map)
Paleocoordinates:44.1° North, 95.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Oligocene
10 m.y. bin:Cenozoic 4
*Period:Tertiary
Key time interval:Geringian
Age range of interval:29.50000 - 24.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Sharps Member:middle
Local section:BgBad Local bed:12
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Museum repositories:SDSM
Taxonomic list comments:NISP 44 (including est. 12 Palaeocastor)
Metadata
Also known as:LACM 1966
Database number:17634
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:1995-03-26 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

2356. J. R. Macdonald. 1970. Review of the Miocene Wounded Knee faunas of southwestern South Dakota. Bulletin of the Los Angeles County Museum of Natural History, Science 8:165-82 [J. Alroy/J. Alroy/C. Bell]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]
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]