Ferguson Ranch (FR): Puercan, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Procreodi - Arctocyonidae
Protungulatum donnae Sloan and Van Valen 1965
Protungulatum gorgun Van Valen 1978
Mimatuta cf. minuial Van Valen 1978
Mimatuta cf. morgoth Van Valen 1978
Baioconodon cf. harbichti (Van Valen 1978)
    = Baioconodon cf. nordicus Jepsen 1930
Alroy 2002
Baioconodon cf. engdahli (Archibald 1982)
Oxyprimus sp. Van Valen 1978
said to be new
Oxyprimus erikseni Van Valen 1978
see common names

Geography
Country:United States State/province:Montana County:McCone
Coordinates: 47.8° North, 106.2° West (view map)
Paleocoordinates:54.0° North, 80.9° West
Basis of coordinate:stated in text
Altitude:761 meters
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
*Period:Tertiary *Local age/stage:Mantuan
Key time interval:Puercan
Age range of interval:66.00000 - 63.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Hell Creek
Stratigraphy comments: said to be Mantuan
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:about 1.3 m above the base of the lower Z coalsec 33 T24N R43Ebased on Lofgren et al. 1990 and presence of many apparently reworked dinosaur teeth, list may be mixed, but none of the identified mammals are definitely known from the Lancian
Metadata
Database number:14705
Authorizer:J. Alroy Enterer:J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2005-08-19 10:59:34
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3199. R. E. Sloan, J. K. Rigby, Jr., L. M. Van Valen and D. Gabriel. 1986. Gradual dinosaur extinction and simultaneous ungulate radiation in the Hell Creek Formation. Science 232:629-633 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
2908 J. K. Rigby, Jr., K. R. Newman, J. Smit, S. Van Der Kaars, R. E. Sloan and J. K. Rigby. 1987. Dinosaurs from the Paleocene part of the Hell Creek Formation, McCone County, Montana. Palaios 2(3):296-302 [J. Alroy/J. Alroy/M. Carrano]