Doeden Gravel Pit: Irvingtonian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Megalonychidae
Megalonyx jeffersonii (Desmarest 1822)
Mammalia - Mylodontidae
Paramylodon harlani (Owen 1840)
Mammalia - Proboscidea - Mammutidae
Mammut americanum (Kerr 1792)
Mammalia - Proboscidea - Elephantidae
Mammuthus columbi (Falconer 1857)
Mammalia - Carnivora - Ursidae
Arctodus simus (Cope 1879)
Mammalia - Camelidae
Camelops sp. Leidy 1854
Mammalia - Bovidae
Bison cf. latifrons (Harlan 1825)
Bootherium sp. Harlan 1825
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
see common names

Geography
Country:United States State/province:Montana County:Custer
Coordinates: 46.4° North, 105.8° West (view map)
Paleocoordinates:46.6° North, 105.4° West (Wright 2013)
Basis of coordinate:based on political unit
Time
Period: Quaternary Epoch: Pleistocene
10 m.y. bin: Cenozoic 6
*Local age/stage:Illinoian - Sangamonian
Key time interval: Irvingtonian
Age range of interval: 1.4 - 0.21 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: said to be Illinoian to Sangamonian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Metadata
Database number:20310
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
4222. C. L. Hill. 2001. Pleistocene mammals of Montana and their geologic context. Museum of the Rockies Occasional Paper 3:127-144 [J. Alroy/J. Alroy/J. Alroy]