Cedar Creek (Upper): Orellan, Colorado

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Cricetidae
Eumys elegans Leidy 1856
Mammalia - Rodentia - Sciuridae
Cedromus wardi Wilson 1949
Mammalia - Lagomorpha - Leporidae
Palaeolagus intermedius Matthew 1899
confirmed by Dawson 1958
Palaeolagus burkei Wood 1940
Megalagus turgidus (Cope 1873)
Mammalia - Carnivora - Canidae
Pseudocynodictis lippincottianus (Cope 1873)
    = "Hesperocyon" coloradensis Wang 1994
Wang 1994
Mammalia - Ungulata - Hypisodontidae
Hypisodus minimus (Cope 1873)
"form B"
Mammalia - Ungulata - Leptomerycidae
Leptomeryx ? evansi Leidy 1853
Mammalia - Hyaenodonta - Hyaenodontidae
Hyaenodon horridus Leidy 1853
see common names

Country:United States State/province:Colorado County:Logan
Coordinates: 40.8° North, 103.1° West (view map)
Paleocoordinates:42.0° North, 95.2° West
Basis of coordinate:based on political unit
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Orellan
Age range of interval:33.90000 - 33.30000 m.y. ago
* legacy (obsolete) database fields
Formation:White River Member:Cedar Creek
Local section:Logan Local bed:4
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Modes of preservation:body
Collection methods and comments
Taxonomic list comments:status of "Protomeryx campester" is unclear in light of Honey et al. 1998
Database number:17083
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:

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:

6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]