Parahippus Level: Harrisonian, Wyoming

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Castoridae
Palaeocastor sp. Leidy 1869
    = Castoridae indet. Gray 1821
Alroy 2002
same locality
Mammalia - Perissodactyla - Tapiridae
Tapiridae indet. (Gray 1821)
    = Miotapirus harrisonensis n. sp. Schlaikjer 1937
Schlaikjer 1937
said by Schlaikjer 1935b to be "from exactly the same level as the Parahippus wyomingensis specimen and... only a short distance from that specimen"
Mammalia - Perissodactyla - Equidae
Parahippus wyomingensis n. sp. Schlaikjer 1935
Mammalia - Ungulata - Merycoidodontidae
Merychyus minimus Peterson 1907
about one mile NE of the main locality and "at exactly the same level"
Mammalia - Ungulata - Camelidae
Oxydactylus sp. Peterson 1904
    = Camelidae indet. Gray 1821
Alroy 2002
comparisons to "O." brachyodontus; "same block of sandstone" as Parahippus wyomingensis
see common names

Country:United States State/province:Wyoming County:Goshen
Coordinates: 42.0° North, 104.2° West (view map)
Paleocoordinates:42.9° North, 99.2° West
Basis of coordinate:based on political unit
*Period:Tertiary *Epoch:Miocene
Key time interval:Harrisonian
Age range of interval:24.80000 - 20.43000 m.y. ago
* legacy (obsolete) database fields
Geological group:Hemingford Formation:Marsland
Local section:Goshn Local bed:7
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: = Upper Harrison beds
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:SW 1/4 sec 10 T 24N R 65W
"500 feet above the Brule-lower Harrison contact"
Database number:17817
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2018-02-05 13:48:52
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3041. E. M. Schlaikjer. 1935. Contributions to the Stratigraphy and Palaeontology of the Goshen Hole Area, Wyoming. III. A New Basal Oligocene Formation. Bulletin of the Museum of Comparative Zoology 76(3):71-93 [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. Uhen]
3042 E. M. Schlaikjer. 1937. A New Tapir from the Lower Miocene of Wyoming. Bulletin of the Museum of Comparative Zoology 80(4):231-251 [J. Alroy/J. Alroy/J. Ju]