UCMP V-78020: Puercan, Montana
collected by C. Engdahl
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Actinopteri
- Lepisosteiformes
- Lepisosteidae
|
||||||||||
|
Lepisosteus sp.
Agassiz 1843
|
||||||||||
|
Actinopteri
- Amiiformes
- Amiidae
|
||||||||||
|
Amia sp.
Linnaeus 1766
|
||||||||||
|
Reptilia
|
||||||||||
|
Champsosaurus sp.
Cope 1876
|
||||||||||
|
Leidyosuchus canadensis
Lambe 1907
|
||||||||||
| UCMP 119282 (rostrum) | ||||||||||
|
= Borealosuchus sternbergii
Gilmore 1910
|
Wu et al. 2001 | |||||||||
|
Reptilia
- Testudines
- Trionychidae
|
||||||||||
|
Trionychidae indet.
Gray 1825
|
||||||||||
|
Acipenseriformes
- Acipenseridae
|
||||||||||
|
Acipenser sp.
Linnaeus 1758
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Garfield |
| Coordinates: | 47.6° North, 107.0° West (view map) | ||||
| Paleocoordinates: | 54.0° North, 81.8° 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 |
| Key time interval: | Puercan | ||
| Age range of interval: | 66.00000 - 63.80000 m.y. ago |
Stratigraphy
| Formation: | Tullock |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | gray siltstone |
| Secondary lithology: | fine sandstone |
| Lithology description: Finely interbedded gray silts and fine-grained sandstones | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UCMP |
| Collectors: | C. Engdahl |
Metadata
| Database number: | 123518 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion | Research group: | vertebrate |
| Created: | 2012-01-25 04:05:48 | Last modified: | 2012-01-24 11:05:48 |
| Access level: | the public | Released: | 2012-01-25 04:05:48 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 39711. | M. T. Greenwald. 1979. Leidyosuchus canadensis (Crocodilia: Crocodylidae) from the Early Paleocene of Montana. PaleoBios 30:1-6 [P. Mannion/P. Mannion] |
Secondary references:
| 37882 | X.-C. Wu, A. P. Russell, and D. B. Brinkman. 2001. A review of Leidyosuchus canadensis Lambe, 1907 (Archosauria: Crocodylia) and an assessment of cranial variation based upon new material. Canadian Journal of Earth Sciences 38:1665-1687 [P. Mannion/P. Mannion] |