Shapaja TAR-73: Early/Lower Oligocene, Peru
collected 2018
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Nymphaceae indet.
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| seeds | ||||||||||
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Serrasalminae indet.
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Plantae indet.
Haeckel 1866
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| Oxidised wood | ||||||||||
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Charophyceae
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Charophyceae indet.
Smith 1938
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| oogonia | ||||||||||
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unclassified
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Mollusca indet.
Linnaeus 1758
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| Bivalvia and/or Gastropoda indet. (inner turriform casts) | ||||||||||
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Malacostraca
- Decapoda
- Trichodactylidae
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Trichodactylidae indet.
Milne-Edwards 1853
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Actinopteri
- Characiformes
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Characiformes informal indet. 4
Regan 1911
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Actinopteri
- Characiformes
- Anostomidae
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cf. Leporinus sp.
Lundberg 1997
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Leporinus sp.
Lundberg 1997
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Actinopteri
- Characiformes
- Cynodontidae
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cf. Hydrolycus sp.
Lundberg 1997
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Dipnomorpha
- Lepidosirenidae
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Lepidosirenidae indet.
Stirton 1953
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Reptilia
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Eusuchia indet.
(Huxley 1875)
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| Gavialoidea/ longirostrine Crocodyloidea (teeth) | ||||||||||
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Caimaninae informal indet. conical teeth
Brochu 1999
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Caimaninae informal indet. globidontan teeth
Brochu 1999
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Mammalia
- Rodentia
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Caviomorpha informal indet. 1
(Wood and Patterson 1955)
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Caviomorpha informal indet. 2
(Wood and Patterson 1955)
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Mammalia
- Notoungulata
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Toxodontia indet.
Ameghino 1887
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| see common names | ||||||||||
Geography
| Country: | Peru |
| Coordinates: | 6.6° South, 76.3° West (view map) |
| Paleocoordinates: | 8.7° South, 69.9° West |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Early/Lower Oligocene | Mammal zone: | Tnguirirican |
| Age range of interval: | 33.90000 - 27.82000 m.y. ago |
Stratigraphy
| Formation: | Pozo | Member: | Pozo Shale |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | sandstone |
| Lithology description: Gypsum-rich yellow clays with leaf litters within a coarse-grained sandstone channel (<10cm-thick). Potential angular unconformity at the base of this level | |
| Environment: | fluvial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | Collection dates: | 2018 |
Metadata
| Also known as: | TAR-73 | ||
| Database number: | 225590 | ||
| Authorizer: | P. Mannion | Enterer: | G. Varnham | Research group: | vertebrate |
| Created: | 2022-05-18 06:37:38 | Last modified: | 2022-05-18 06:37:38 |
| Access level: | the public | Released: | 2022-05-18 06:37:38 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 81705. | P. -O. Antoine, J. Yans, A. A. Castillo, N. Stutz, M. A. Abello, S. Adnet, M. A. Custódio, A. Benites-Palomino, G. Billet, M. Boivin, F. Herrera, C. Jaramillo, C. Mártinez, F. Moreno, R. E. Navarrete, F. R. Negri, F. Parra, F. Pujos, J. Rage, A. M. Ribeiro, C. Robinet and M. Rod. 2021. Biotic community and landscape changes around the Eocene–Oligocene transition at Shapaja, Peruvian Amazonia: Regional or global drivers?. Global and Planetary Change 202:103512 [P. Mannion/G. Varnham] |