Cañadón Hondo: Middle Eocene - Oligocene, Argentina
collected by Scarritt Patagonian Expedition 1931
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopteri
- Clupeiformes
- Clupeoidei
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Knightia andreae
Dusén 1908
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Angiospermae
- Poales
- Cyperaceae
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Scirpitis sp.
Dusén 1908
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Angiospermae
- Proteales
- Proteaceae
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Embothrites informal sp.
Unger 1850
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| (Winged seed probably from the same plant as the leaves referred to Embothriophyllum and belonging to the family Proteaceae) | ||||||||||
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Embothriophyllum dubium
Dusén 1899
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Angiospermae
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Rhoophyllum nordenskjoldi
Dusén 1899
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unclassified
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Phyllites informal sp. 3
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| Single fragment of a leaf (is the same as Phyllites 3 Dusén from the Seymour Island Tertiary) | ||||||||||
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Phyllites informal sp. 2
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| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 45.3° South, 67.8° West (view map) | ||
| Paleocoordinates: | 45.8° South, 60.7° West (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Eocene - Oligocene |
| 10 m.y. bin: | Cenozoic 2-3 - Cenozoic 4 | ||
| Key time interval: | Middle Eocene - Oligocene | Mammal zone: | Notostylops |
| Age range of interval: | 47.8 - 23.03 m.y. ago |
Stratigraphy
| Formation: | Sarmiento |
Lithology and environment
| Primary lithology: | planar lamination poorly lithified claystone |
| Lithology description: Group of impressions found in laminated clays in Cañadón Hondo. | |
| Environment: | lacustrine indet. |
Taphonomy
| Modes of preservation: | mold/impression,original cellulose |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | species names | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | Scarritt Patagonian Expedition | Collection dates: | November, 1931 |
Metadata
| Also known as: | Field number 421-455 | ||
| Database number: | 141241 | ||
| Authorizer: | C. Jaramillo | Enterer: | J. Ceballos, J. Moreno |
| Modifier: | P. Santamarina | Research group: | paleobotany |
| Created: | 2013-03-22 00:49:29 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2016-03-22 00:49:29 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 45812. | E. W. Berry. 1932. Fossil plants from Chubut territory collected by the Scarritt Patagonian Expedition. American Museum Novitates (536)1-10 [C. Jaramillo/J. Ceballos/A. Cárdenas] |