Colbert Creek: Chadronian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Ischyromyidae
Ischyromys sp. Leidy 1856
Titanotheriomys veterior (Matthew 1903)
original and current combination Ischyromys veterior
Mammalia - Lagomorpha - Leporidae
Palaeolagus temnodon Douglass 1902
Megalagus brachyodon (Matthew 1903)
Mammalia - Micropternodontidae
Cryptoryctes kayi Reed 1954
Mammalia - Apternodontidae
Apternodus mediaevus Matthew 1903
Mammalia - Perissodactyla - Brontotheriidae
Brontotheriidae indet. (Marsh 1873)
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856
Mammalia - Perissodactyla - Equidae
Mesohippus sp. Marsh 1875
    = Equidae indet. Gray 1821
Alroy 2002
Mammalia - Camelidae
Poebrotherium sp. Leidy 1847
Mammalia - Protoceratidae
Leptotragulus profectus Matthew 1903
recombined as Trigenicus profectus
Mammalia - Agriochoeridae
Agriochoerus maximus Douglass 1902
Mammalia - Leptomerycidae
"Leptomeryx" sp. Leidy 1853
Mammalia - Carnivora - Nimravidae
Dinictis sp. (Leidy 1854)
see common names

Geography
Country:United States State/province:Montana County:Jefferson
Coordinates: 46.0° North, 112.0° West (view map)
Paleocoordinates:47.8° North, 103.1° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Eocene
Stage:Priabonian 10 m.y. bin:Cenozoic 3
*Period:Tertiary
Key time interval:Chadronian
Age range of interval:37.20000 - 33.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Renova Member:Climbing Arrow
Local section:JeffB Local bed:1
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:based on a personal communication from Garcia
Metadata
Database number:16935
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:41
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1585. D. Garcia. 1990. Personal communication regarding Tertiary faunal lists, Jefferson County, Montana. [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

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