Krebs Ranch 2: Hemphillian, Oregon

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Proboscidea - Mammutidae
Mammut sp. Blumenbach 1799
Mammalia - Carnivora - Canidae
Canis sp. Linnaeus 1758
    = Canini indet. Fischer de Waldheim 1817
Alroy 2002
Mammalia - Camelidae
Camelidae indet. Gray 1821
small
Mammalia - Tayassuidae
Prosthennops sp. Matthew and Gidley 1904
    = Tayassuinae indet. Palmer 1897
Alroy 2002
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras sp. Hatcher 1894
3 specimens
Mammalia - Perissodactyla - Equidae
Pliohippus sp. Marsh 1874
    = Equini indet. Quinn 1955
Alroy 2002
Mammalia - Talpidae
Scapanus sp. Pomel 1848
3 specimens
    = Scapanus proceridens Hutchison 1968
Hutchison 1968
Mammalia - Lagomorpha - Leporidae
Hypolagus sp. Dice 1917
    = Archaeolaginae indet.
Alroy 2002
Mammalia - Rodentia - Heteromyidae
Dipodomys sp. Gray 1841
    = Dipodomyinae indet.
Alroy 2002
replaces ID of Shotwell 1967b
Oregonomys pebblespringsensis Martin 1984
Martin 1984
UWBM C0122, C0123, C0124 DUPLICATE REF 2411 or 2424
Perognathus stevei Martin 1984
Martin 1984 2 specimens
UWBM C0122, C0124; "P. sp."; DUPLICATE REF 2411 or 2424
Mammalia - Rodentia - Castoridae
Dipoides sp. Jaeger 1835
1 specimen
Mammalia - Rodentia - Sciuridae
Citellus sp. Oken 1816
    = Sciuridae indet. Gray 1821
Alroy 2002
Eutamias malloryi Martin 1998
    = Neotamias malloryi Martin 1998
Martin 1998
Arlington 11 DUPLICATE REF 2415 or 6090
Mammalia - Rodentia - Cricetidae
Peromyscus sp. Gloger 1841
    = Cricetidae indet. Fischer von Waldheim 1817
Alroy 2002
see common names

Geography
Country:United States State/province:Oregon County:Gilliam
Coordinates: 45.7° North, 120.2° West (view map)
Paleocoordinates:45.6° North, 117.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene
10 m.y. bin:Cenozoic 6
*Period:Tertiary *Epoch:Miocene
Key time interval:Hemphillian
Age range of interval:9.40000 - 4.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Alkali Canyon
Stratigraphic resolution:member
Stratigraphy comments: "relatively thin stratigraphic unit"; see Martin 1998 for stratigraphic nomenclature
Lithology and environment
Primary lithology:tuffaceous unlithified sandstone
Secondary lithology: tuff
Lithology description: "unconsolidated sands, tuffaceous sandstone and tuffs"
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:species names
Collection methods:surface (float),field collection
Collection size:9 specimens
Reason for describing collection:paleoecologic analysis
Collection method comments: "collection on hands and knees" from a blowout
Taxonomic list comments:NISP 9 including generically indeterminate records only
Metadata
Also known as:UO 2323; UWBM C0122 (Arlington 9), C0123 (Arlington 10), C0124 (Arlington 11)
Database number:18940
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:J. Alroy Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2004-03-22 18:52:33
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
3110.5% 43520J. A. Shotwell. 1958. Inter-community relationships in Hemphillian (mid-Pliocene) mammals. Ecology 39(2):271-282 [J. Alroy/J. Alroy/W. Clyde]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1989 J. H. Hutchison. 1968. Fossil Talpidae (Insectivora, Mammalia) from the Tertiary of Oregon. Bulletin of the Museum of Natural History, University of Oregon 11:1-117 [J. Alroy/J. Alroy/M. Uhen]
2411 J. E. Martin. 1984. A Survey of Tertiary Species of Perognathus (Perognathinae) and a description of a new genus of Heteromyinae,. In R. M. Mengle (ed.), Carnegie Museum of Natural History Special Publication 9:90-121 [J. Alroy/J. Alroy/M. Uhen]
2415 J. E. Martin. 1998. Two new sciurids, Eutamias malloryi and Parapaenemarmota (Rodentia), from the late Miocene (Hemphillian) of northern Oregon. Thomas Burke Memorial Washington State Museum Research Report 6:31-42 [J. Alroy/J. Alroy]