Turtle Bonebed: Late/Upper Maastrichtian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Trionychidae
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Axestemys infernalis
Joyce et al. 2019
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Reptilia
- Baenidae
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Baenidae indet.
Cope 1882
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| new species | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Harding |
| Coordinates: | 45.6° North, 103.5° West (view map) | ||||
| Paleocoordinates: | 51.8° North, 77.2° West | ||||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Late/Upper Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Hell Creek |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Lithology description: fine grained matrix | |
| Environment: | terrestrial indet. |
| Geology comments: low energy environment | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection,survey of museum collection |
| Collection size: | 10 individuals |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | TMP |
Metadata
| Database number: | 206554 | ||
| Authorizer: | E. Vlachos | Enterer: | E. Vlachos |
| Modifier: | M. Carrano | ||
| Created: | 2019-11-19 10:26:53 | Last modified: | 2021-05-05 11:11:47 |
| Access level: | the public | Released: | 2019-11-19 10:26:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 70995. | W. J. Joyce, D. B. Brinkman, and T. R. Lyson. 2019. A new species of trionychid turtle, Axestemys infernalis sp. nov., from the Late Cretaceous (Maastrichtian) Hell Creek and Lance formations of the Northern Great Plains, USA. Palaeontologia Electronica 22(3):72:1-28 [E. Vlachos/E. Vlachos/P. Mannion] |