Estancia Opazo: Late Aptian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudinata
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Testudinata indet.
Oppel 1811
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| see common names | |||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 42.8° South, 68.5° West (view map) | ||
| Paleocoordinates: | 39.1° South, 26.9° West (Wright 2013) | ||
| Basis of coordinate: | unpublished field data |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| 10 m.y. bin: | Cretaceous 2-3 | ||
| Key time interval: | Late Aptian | ||
| Age range of interval: | 119.57 - 113.2 m.y. ago |
Stratigraphy
| Geological group: | Chubut | Formation: | Cerro Barcino | Member: | Puesto la Paloma |
| Stratigraphy comments: Ages are found Krause et al. 2020 and Carballido et al. 2017. The contact zones between Puesto La Paloma and Cerros Castaño is approximately Aptian-Early Albian at ~118.5-110.8 Ma. | |||||
Lithology and environment
| Primary lithology: | tuff |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | MEF |
Metadata
| Database number: | 208380 | ||
| Authorizer: | E. Vlachos | Enterer: | E. Vlachos |
| Modifier: | G. Varnham | ||
| Created: | 2020-04-01 13:20:41 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2020-04-01 13:20:41 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 71994. | J. Sterli, E. Vlachos, P. Puerta, C. Oriozabala, and M. Krause. 2021. Contribution to the diversity of the fossil record of turtles (Testudinidata) from Chubut province (Argentina) and its significance in understanding the evolution of turtles in southern South America. Publicación Electrónica de la Asociación Paleontológica Argentina 21(1):118-160 [E. Vlachos/E. Vlachos/P. Mannion] |
Secondary references:
| 79276 | J. M. Krause, J. Ramezani, A. M. Umazano, D. Pol, J. L. Carballido, J. P. Sterli Puerta, N. R. Cúneo and E. S. Bellosi. 2020. High-resolution chronostratigraphy of the Cerro Barcino Formation (Patagonia): Paleobiologic implications for the mid-cretaceous dinosaur- rich fauna of South America. Gondwana Research 80:33-49 [P. Mannion/G. Varnham/G. Varnham] |