Dawson no. 1: Miocene, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Gomphotheriidae
Gomphotheriidae indet. Hay 1922
Mammalia - Rodentia - Castoridae
Eucastor tortus (Leidy 1858)
Mammalia - Lagomorpha - Leporidae
Hypolagus fontinalis Dawson 1958
Mammalia - Carnivora - Canidae
Tomarctus euthos (McGrew 1935)
    = Paratomarctus euthos McGrew 1935
Alroy 2002
not discussed by Wang et al. 1999
Mammalia - Camelidae
Camelidae indet. Gray 1821
Mammalia - Perissodactyla - Equidae
Protohippus sp. (Leidy 1858)
    = Equini indet. Quinn 1955
Alroy 2002
Pseudhipparion sp. Ameghino 1904
Neohipparion cf. whitneyi Gidley 1903
    = Neohipparion cf. affine Leidy 1869
Alroy 2002
see common names

Geography
Country:United States State/province:South Dakota County:Todd
Coordinates: 43.2° North, 100.7° West (view map)
Paleocoordinates:43.7° North, 97.6° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5-6
*Period:Tertiary
Key time interval:Miocene
Age range of interval:23.03000 - 5.33300 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Museum repositories:SDSM
Metadata
Also known as:SDSM V-551
Database number:18113
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1992-08-05 00:00:00 Last modified:2002-06-03 03:27:42
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3356. A. Tabrum. 1981. A contribution to the mammalian paleontology of the Ogallala group of South-Central South Dakota. M.S. thesis [J. Alroy/J. Alroy/B. Allen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]