Bajos de Trapalcó and Santa Rosa area: Late/Upper Maastrichtian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
|
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Prognathodon sp.
Dollo 1889
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1 element | |||||||||
| MML-PV8, a large tooth crown | ||||||||||
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Halisaurus sp.
Marsh 1869
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Fernández and Talevi 2015 | 1 specimen | ||||||||
| MML 1243, a right quadrate and 5 cervicals and 7 anterior dorsal vertebrae of a single specimen. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Río Negro |
| Coordinates: | 39.8° South, 66.7° West (view map) | ||
| Paleocoordinates: | 42.3° South, 54.8° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | local area |
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 |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
| Geology comments: shallow inner-platform environment | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: MML, Museo Municipal de Lamarque, Rio Negro, Argentina | |
Metadata
| Also known as: | Santa Rosa | ||
| Database number: | 208355 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2020-03-31 05:19:05 | Last modified: | 2020-03-31 05:39:58 |
| Access level: | the public | Released: | 2020-03-31 05:19:05 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 71968. | M. Fernández, J. Martin, and S. Casadío. 2008. Mosasaurs (Reptilia) from the late Maastrichtian (Late Cretaceous) of northern Patagonia (Río Negro, Argentina). Journal of South American Earth Sciences 25(2):176-186 [P. Mannion/P. Mannion/F. Aspromonte] |
Secondary references:
| 71970 | M. S. Fernández and M. Talevi. 2015. An halisaurine (Squamata: Mosasauridae) from the Late Cretaceous of Patagonia, with a preserved tympanic disc: Insights into the mosasaur middle ear. Comptes Rendus Palevol 14:483-493 [P. Mannion/P. Mannion] |