DMNH 7179: Maastrichtian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
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Helopanoplia distincta
Hay 1908
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Montana | County: | Fallon |
| Coordinates: | 46.3° North, 104.5° West (view map) | ||||
| Paleocoordinates: | 52.8° North, 77.4° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Hell Creek | ||||
| Stratigraphy comments: 7.5 m below the contact with the overlying Fort Union Formation |
Lithology and environment
| Primary lithology: | sandstone |
| Lithology description: at base of 2 m thick channel sandstone | |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 190696 | ||
| Authorizer: | P. Holroyd | Enterer: | P. Holroyd | Research group: | vertebrate |
| Created: | 2017-12-14 13:15:24 | Last modified: | 2017-12-14 13:15:24 |
| Access level: | the public | Released: | 2017-12-14 13:15:24 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 64098. | W. G. Joyce and T. R. Lyson. 2017. The shell morphology of the latest Cretaceous (Maastrichtian) trionychid turtle Helopanoplia distincta. PeerJ 5(e4169):1-20 [P. Holroyd/P. Holroyd] |