Vista: Whitneyan, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Cricetidae
Eumys brachyodus Wood 1937
Mammalia - Lagomorpha - Leporidae
Palaeolagus burkei n. sp. Schlaikjer 1935
see Wood 1940
Palaeolagus intermedius Matthew 1899
Mammalia - Proscalopidae
Proscalops miocaenus n. sp. Matthew 1901
(3 measurements)
Mammalia - Hypisodontidae
Hypisodus minimus (Cope 1873)
"form B"
Mammalia - Leptomerycidae
Leptomeryx evansi Leidy 1853
Mammalia - Tayassuidae
Perchoerus nanus (Marsh 1894)
    = Tayassuidae indet. Palmer 1897
Wright 1998
Mammalia - Leptochoeridae
Leptochoerus spectabilis Leidy 1856
KU-Col-14: see Edwards 1976a
Mammalia - Camelidae
Protomeryx campester Matthew 1901
    = Paralabis cedrensis Matthew 1901
Prothero 1996
recombined as Matthewlabis cedrensis
Mammalia - Merycoidodontidae
Leptauchenia decora Leidy 1856
Eporeodon major (Leidy 1853)
recombined as Merycoidodon major
Mammalia - Perissodactyla - Rhinocerotidae
Diceratherium tridactylum (Osborn 1893)
Prothero 2005
"Vista Member, Logan County, Colorado"
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856
    = Hyracodon leidyanus Troxell 1921
Prothero 1996
Mammalia - Perissodactyla - Equidae
Miohippus sp. Marsh 1874
Mammalia - Carnivora - Canidae
Pseudocynodictis temnodon n. sp. (Wortman and Matthew 1899)
recombined as Mesocyon temnodon
from Castle Rock, see Wang 1994
Mammalia
Peratherium fugax (Cope 1873)
corrected as Herpetotherium fugax
see common names

Geography
Country:United States State/province:Colorado County:Logan
Coordinates: 40.8° North, 103.1° West (view map)
Paleocoordinates:41.8° North, 95.8° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
*Period:Tertiary
Key time interval:Whitneyan
Age range of interval:31.80000 - 29.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:White River Member:Vista
Local section:Logan Local bed:5
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:15 specimens
Taxonomic list comments:White Marker bed at the base of the member is geochemically and paleomagnetically correlable with the Lower Whitney Ash, making this equivalen to Whitney B: Prothero 1996c
Metadata
Database number:17426
Authorizer:J. Alroy, J. Marcot Enterer:J. Alroy, J. Marcot
Research group:vertebrate
Created:1993-02-18 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:
1570. E. C. Galbreath. 1953. A contribution to the Tertiary geology and paleontology of northeastern Colorado. University of Kansas Paleontological Contributions Vertebrata 4:1-120 [J. Alroy/J. Alroy/J. Marcot]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
28055% 6280D. R. Prothero. 1996. Camelidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 609-651 [J. Alroy/J. Alroy/J. Marcot]
6272 D. R. Prothero. 1996. Hyracodontidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 652-663 [J. Alroy/J. Alroy/J. Alroy]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
6238 D. B. Wright. 1998. Tayassuidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary mammals of North America 389-401 [J. Alroy/J. Alroy/J. Alroy]