Tres Cerros: Late Aptian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
|
||||||||||
| Sterli et al. 2021 | ||||||||||
|
Reptilia
- Rhynchocephalia
- Sphenodontidae
|
||||||||||
| 1 individual | ||||||||||
| MPEF-PV 3166, represented by an almost complete skull with attached jaws. The left jaw was disarticulated for descriptive purposes | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 43.2° South, 68.4° West (view map) | ||
| Paleocoordinates: | 39.4° South, 26.9° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map |
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 |
| Stratigraphic resolution: | bed | ||||
| 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: | not reported |
| Includes fossils? | Y |
| Environment: | dune |
| Geology comments: The La Paloma Member is thought to have been deposited in an arid environment dominated by pyroclastic deposits with intercalated dune sediments | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Priosphenodon minimus type locality | ||
| Database number: | 154711 | ||
| Authorizer: | P. Mannion, E. Vlachos | Enterer: | J. Tennant, E. Vlachos |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2014-03-04 12:11:55 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2014-03-04 12:11:55 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 50309. | S. Apesteguia and J. L. Carballido. 2014. A new eilenodontine (Lepidosauria, Sphenodontidae) from the Lower Cretaceous of central Patagonia. Journal of Vertebrate Paleontology 34(2):303-317 [P. Mannion/J. Tennant] |
Secondary references:
| 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] |