Gran Barranca faunule 12: Bartonian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Sparassodonta
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Patene coluapiensis n. gen., n. sp.
Simpson 1935
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Mammalia
- Polydolopidae
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Polydolops thomasi
Ameghino 1897
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Mammalia
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Caroloameghinia mater
Ameghino 1901
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Mammalia
- Notoungulata
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Transpithecus ? obtentus
Ameghino 1901
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Notopithecus adapinus
Ameghino 1897
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Mammalia
- Notoungulata
- Oldfieldthomasiidae
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Oldfieldthomasia debilitata
(Ameghino 1901)
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Mammalia
- Notoungulata
- Notostylopidae
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Notostylops murinus
Ameghino 1897
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Homalostylops sp.
Ameghino 1901
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Mammalia
- Panameriungulata
- Didolodontidae
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Didolodus multicuspis
Ameghino 1897
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Mammalia
- Cingulata
- Dasypodidae
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Utaetus buccatus
Ameghino 1902
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| see common names | |||||||
Geography
| Country: | Argentina | State/province: | Chubut |
| Coordinates: | 45.7° South, 68.7° West (view map) | ||
| Paleocoordinates: | 48.0° South, 59.3° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Bartonian | Mammal zone: | Barrancan |
| Age range of interval: | 41.2 - 37.71 m.y. ago |
Stratigraphy
| Formation: | Sarmiento | Member: | Gran Barranca | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Barrancan SALMA, Middle Eocene (Woodburne et al. 2014).
Near middle of Gran Barranca section IV of Cifelli (1985), in "impure gry. tuff, many fossils" | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 176186 | ||
| Authorizer: | J. Zijlstra | Enterer: | J. Zijlstra |
| Modifier: | M. Kouvari | Research group: | vertebrate |
| Subset of collection #: | 13779 | ||
| Created: | 2016-01-30 19:43:28 | Last modified: | 2020-09-19 09:48:49 |
| Access level: | the public | Released: | 2016-01-30 19:43:28 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 57836. | R. Cifelli. 1985. Biostratigraphy of the Casamayoran, Early Eocene of Patagonia. American Museum Novitates 2820:1-26 [J. Zijlstra/J. Zijlstra] |