Huanimán [Cerro Castaño Mb.]: Albian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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| 4 specimens | ||||||||||
| MEF 3057-a, b, c, d | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 43.1° South, 68.5° West (view map) | ||
| Paleocoordinates: | 39.7° South, 28.6° West (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | ||
| Age range of interval: | 113.2 - 100.5 m.y. ago |
Stratigraphy
| Geological group: | Chubut | Formation: | Cerro Barcino | Member: | Cerro Castaño |
| 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: | massive,tuffaceous sandstone |
| Includes fossils? | Y |
| Lithology description: massive tuffaceous sandstone with rhizolites | |
| Environment: | "floodplain" |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | excellent |
| Fragmentation: | frequent |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 219346 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2021-04-07 09:28:54 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2021-04-07 09:28:54 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 76255. | E. Argañaraz, G. Grellet-Tinner, L. E. Fiorelli, J. M. Krause, and O. W. M. Rauhut. 2013. Huevos de saurópodos del Aptiano–Albiano, Formación Cerro Barcino (Patagonia, Argentina): un enigma paleoambiental y paleobiológico [Sauropod eggs from the Aptian–Albian, Cerro Barcino Formation (Patagonia, Argentina): a paleoenvironmental and paleobiological enigma]. Ameghiniana 50(2):33-50 [M. Carrano/M. Carrano] |
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] |