The Amphitheater: Wasatchian, Colorado

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Condylarthra - Hyopsodontidae
Hyopsodus cf. miticulus (Cope 1874)
    = Hyopsodus lysitensis Gingerich 1974
Redline 1997
Hyopsodus powellianus Cope 1884
Mammalia - Primates - Notharctidae
Cantius trigonodus (Matthew 1915)
    = Cantius frugivorus Cope 1875
Alroy 2002
Mammalia - Rodentia - Ischyromyidae
Pseudotomus coloradensis n. sp. Wood 1962
    = Mytonomys coloradensis Wood 1962
Alroy 2002
Mammalia - Diacodexeidae
Wasatchia pattersoni Krishtalka and Stucky 1986
    = Bunophorus pattersoni Krishtalka and Stucky 1986
Krishtalka and Stucky 1986
"Diacodexis cf. chacensis"
Mammalia - Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841
"C" and "E"
Mammalia - Esthonychidae
Esthonyx bisulcatus Cope 1874
from "109-47" (presumably a lapsus)
Mammalia - Coryphodontidae
Coryphodon sp. (Owen 1845)
original and current combination Lophiodon (Coryphodon)
Mammalia - Leptictidae
Palaeictops cf. bicuspis (Cope 1880)
see common names

Geography
Country:United States State/province:Colorado County:Garfield
Coordinates: 39.7° North, 107.6° West (view map)
Paleocoordinates:44.5° North, 91.6° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Ypresian 10 m.y. bin:Cenozoic 2
*Period:Tertiary *Local age/stage:Middle Wasatchian
Key time interval:Wasatchian
Age range of interval:54.90000 - 50.50000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:DeBeque
Local section:Rulis Local bed:70 m
Local order:bottom to top
Stratigraphy comments: said to be middle Wasatchian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Museum repositories:FMNH
Metadata
Also known as:FMNH 109-41
Database number:15310
Authorizer:J. Alroy Enterer:J. Alroy
Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2002-06-03 03:27:40
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
2078. A. J. Kihm. 1984. Early Eocene Mammalian Fauna of the Piceance Creek Basin. Northwestern Colorado. [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
2184 L. Krishtalka and R. K. Stucky. 1986. Early Eocene artiodactyls from the San Juan Basin, New Mexico, and the Piceance Basin, Colorado. Contributions to Geology, University of Wyoming Special Paper 3:183-196 [J. Alroy/J. Alroy/J. Marcot]
6223 A. D. Redline. 1997. Revision of the Wind River faunas, early Eocene of central Wyoming. Part 13. Systematics and phylogenetic pattern of early Eocene Hyopsodus (Mammalia: Condylarthra). Annals of Carnegie Museum 66(1):1-81 [J. Alroy/J. Alroy/J. Alroy]