Sharps (SDSM V-5360): Geringian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Salientia - Pelobatidae
Scaphiopus neuter n. sp. Kluge 1966
Kluge 1966
recombined as Spea neuter
Mammalia - Primates - Ekgmowechashalidae
Ekgmowechashala philotau Macdonald 1963
1 specimen
Mammalia - Rodentia - Cricetidae
Paciculus mcgregori Macdonald 1970
1 specimen
    = Geringia mcgregori Macdonald 1970
Alroy 2002
Eumys blacki Macdonald 1963
2 specimens
    = Leidymys blacki Macdonald 1963
Alroy 2002
Mammalia - Rodentia - Aplodontidae
Prosciurus dawsonae Macdonald 1963
1 specimen
    = Campestrallomys dawsonae Macdonald 1963
Alroy 2002
Mammalia - Rodentia - Florentiamyidae
Sanctimus clasoni (Macdonald 1963)
2 specimens
    = Fanimus clasoni Macdonald 1963
Alroy 2002
Florentiamys agnewi n. sp. Macdonald 1963
1 specimen
(1 measurement)
Mammalia - Rodentia - Castoridae
Capatanka cankpeopi Macdonald 1963
9 specimens
    = Capatanka sp. Macdonald 1963
Alroy 2002
Capacikala gradatus (Cope 1878)
19 specimens
Palaeocastor nebrascensis (Leidy 1856)
    = Palaeocastor peninsulatus Cope 1881
Xu 1996
original and current combination Castor peninsulatus
LACM 1982
Mammalia - Lagomorpha - Leporidae
? Palaeolaginae indet. Dice 1929
1 specimen
Palaeolagus philoi Dawson 1958
7 specimens
Palaeolagus hypsodus Schlaikjer 1935
10 specimens
? Megalagus cf. primitivus (Schlaikjer 1935)
1 specimen
Mammalia - Lipotyphla - Erinaceidae
Ocajila makpiyahe n. sp. Macdonald 1963
2 specimens
Mammalia - Lipotyphla - Talpidae
Palaeoscalopus pineridgensis n. sp. Macdonald 1970
1 specimen
(1 measurement)
    = Quadrodens wilsoni Macdonald 1970
Alroy 2002
Mammalia - Perissodactyla - Rhinocerotidae
Diceratherium cf. gregorii Peterson 1920
1 specimen
synonym of Diceratherium armatum
Mammalia - Perissodactyla - Equidae
Miohippus equiceps (Cope 1878)
1 specimen
Miohippus equinanus Osborn 1918
2 specimens
    = Archaeohippus equinanus Osborn 1918
Alroy 2002
original and current combination Miohippus equinanus
Mammalia - Proscalopidae
Arctoryctes terrenus Matthew 1907
3 specimens
    = Proscalops evelynae Macdonald 1963
Barnosky 1981
Mammalia - Carnivora - Canidae
Sunkahetanka geringensis (Barbour and Schultz 1935)
3 specimens
confirmed by Wang 1994
Enhydrocyon crassidens Matthew 1907
1 specimen
    = Enhydrocyon pahinsintewakpa Macdonald 1963
Wang 1994
Nothocyon roii Macdonald 1963
2 specimens
    = Cynarctoides roii Macdonald 1963
Alroy 2002
(see Wang et al. 1999)
Nothocyon geismarianus (Cope 1878)
3 specimens
    = Archaeocyon leptodus Schlaikjer 1935
Wang et al. 1999
and "N. lemur"; "Cormocyon sp." of Wang and Tedford 1992
Mammalia - Carnivora - Nimravidae
Nimravus brachyops (Cope 1878)
1 specimen
Mammalia - Carnivora
Palaeogale cf. dorothiae Macdonald 1963
1 specimen
(assuming this is SDSM 62108)
Mammalia - Ungulata - Merycoidodontidae
Cyclopidius simus Cope 1877
1 specimen
    = Leptauchenia major Leidy 1856
Alroy 2002
Paradesmatochoerus wyomingensis Schultz and Falkenbach 1954
3 specimens
    = Mesoreodon minor Douglass 1903
Alroy 2002
Mammalia - Ungulata - Tayassuidae
Chaenohyus decedens Cope 1879
1 specimen
    = Thinohyus sp. Marsh 1875
Alroy 2002
Mammalia - Ungulata - Entelodontidae
Entelodontidae indet. Lydekker 1883
1 specimen
Mammalia - Ungulata - Agriochoeridae
Agriochoerus sp. Leidy 1850
1 specimen
Mammalia - Ungulata - Hypertragulidae
Nanotragulus intermedius Schlaikjer 1935
20 specimens
    = Nanotragulus loomisi Lull 1922
Alroy 2002
(includes estimated 7 maxillaries)
Mammalia - Ungulata - Leptomerycidae
Leptomeryx sp. Leidy 1853
1 specimen
    = Leptomerycidae indet. Zittel 1893
Alroy 2002
Mammalia
Peratherium spindleri Macdonald 1963
1 specimen
    = Herpetotherium youngi McGrew 1937
Alroy 2002
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:30.80000 - 26.30000 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
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Museum repositories:SDSM
Taxonomic list comments:NISP 140 (including est. 40 Palaeocastor)
Metadata
Also known as:LACM 1861, LACM 1982
Database number:17636
Authorizer:J. Alroy, C. Bell Enterer:J. Alroy, C. Bell
Modifier:J. Alroy Research group:vertebrate
Created:1995-03-26 00:00:00 Last modified:2009-07-15 19:40:18
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. Uhen]
1015 A. D. Barnosky. 1981. A skeleton of Mesoscalops (Mammalia, Insectivora) from the Miocene Deep River Formation, Montana, and a review of the proscalopid moles: evolutionary, functional, and stratigraphic relationships. Journal of Vertebrate Paleontology 1(3-4):285-339 [J. Alroy/J. Alroy/J. Alroy]
18285 A. G. Kluge. 1966. A new pelobatine frog from the lower Miocene of South Dakota with a discussion of the evolution of the Scaphiopus-Spea complex. Los Angeles County Museum Contributions in Science 113:1-26 [C. Bell/C. Bell]
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]
3779 X. Xu. 1996. Castoridae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 412-432 [J. Alroy/J. Alroy/J. Marcot]