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