Duffy's Ranch, 18 miles from Melville: Torrejonian - Tiffanian, Montana
collected by Dr. Marcus S. Farr, of Princeton University

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
? Aspideretes nassau n. sp. Hay 1908
1 specimen
    = Hutchemys sp. Joyce et al. 2009
Joyce et al. 2009
YPM PU 11566 (posterior 80% of a carapace)
see common names

Country:United States State/province:Montana County:Sweet Grass
Coordinates: 46.1° North, 110.0° West (view map)
Paleocoordinates:52.3° North, 88.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
Key time interval:Torrejonian - Tiffanian
Age range of interval:63.30000 - 56.80000 m.y. ago
Formation:Fort Union
Stratigraphic resolution:bed
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:taxonomic analysis
Museum repositories:YPM
Collectors:Dr. Marcus S. Farr, of Princeton University
Database number:131899
Authorizer:R. Benson, P. Mannion Enterer:R. Benson, P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:2012-08-01 19:17:32 Last modified:2012-12-21 06:30:20
Access level:the public Released:2012-08-01 19:17:32
Creative Commons license:CC BY
Reference information

Primary reference:

14442.ETE O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

44082 W. G. Joyce, A. Revan, T. R. Lyson and I. G. Danilov. 2009. Two new plastomenine softshell turtles from the Paleocene of Montana and Wyoming. Bulletin of the Peabody Museum of Natural History 50(2):307-325 [P. Mannion/P. Mannion]