Huanimán [La Paloma Mb.]: Late Aptian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Chelidae
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| Sterli et al. 2021 | ||||||||||
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Reptilia
- Rhynchocephalia
- Sphenodontidae
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| MPEF-PV 3092, composed of around 20 partial bones from Huanim´an Hill. They include partial jaws, maxillae, and palatines | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 43.1° South, 68.5° West (view map) | ||
| Paleocoordinates: | 39.4° South, 26.9° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
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
| Collection methods: | survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 154712 | ||
| Authorizer: | P. Mannion, E. Vlachos | Enterer: | J. Tennant, E. Vlachos |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2014-03-04 12:13:28 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2014-03-04 12:13:28 |
| 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:
| 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] | |
| 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] |