Hiatt South Locality: Puercan, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Multituberculata
- Eucosmodontidae
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Stygimys sp.
Sloan and Van Valen 1965
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1 specimen | |||||||||
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= Eucosmodontidae indet.
Jepsen 1940
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Alroy 2002 | |||||||||
| (possibly Cimexomys gratus) | ||||||||||
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Mammalia
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Onychodectes tisonensis
Cope 1888
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1 specimen | |||||||||
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Mammalia
- Acreodi
- Triisodontidae
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Eoconodon ? nidhoggi
Van Valen 1978
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1 specimen | |||||||||
| (1 measurement) | ||||||||||
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Mammalia
- Procreodi
- Arctocyonidae
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Baioconodon cf. nordicus
(Jepsen 1930)
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14 specimens | |||||||||
| "nordicum" (1 measurement) | ||||||||||
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? Loxolophus sp.
Cope 1885
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3 specimens | |||||||||
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Loxolophus schizophrenus
Johnston and Fox 1984
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1 specimen | |||||||||
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? Carcinodon sp.
Scott 1892
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1 specimen | |||||||||
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? Oxyclaenus sp.
Cope 1884
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3 specimens | |||||||||
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Mammalia
- Periptychidae
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Oxyacodon ferronensis
Archibald et al. 1983
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1 specimen | |||||||||
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Oxyacodon apiculatus
Osborn and Earle 1895
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2 specimens | |||||||||
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Tinuviel eurydice
Van Valen 1978
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5 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Dawson |
| Coordinates: | 47.1° North, 104.8° West (view map) | ||||
| Paleocoordinates: | 53.1° North, 79.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
| *Period: | Tertiary | ||
| Key time interval: | Puercan | ||
| Age range of interval: | 66.00000 - 63.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Fort Union | Member: | lower Ludlow | ||
| Local section: | Makos | Local bed: | 45 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: within a sandstone with no paleomagnetic data just above C29r and just below C29n | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 29 specimens |
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:NISP 29 | |
Metadata
| Also known as: | JHH L6424 | ||
| Database number: | 14745 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1998-09-21 00:00:00 | Last modified: | 2007-11-16 17:09:36 |
| Access level: | the public | Released: | 1998-09-21 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 1985. | J. P. Hunter. 1997. Mammals and mollusks across the Cretaceous-Tertiary boundary from Makoshika State Park and vicinity (Williston Basin), Montana. Contributions to Geology, University of Wyoming 32(1):61-114 [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] |