Shapaja (TAR-22): Early Oligocene, Peru
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Vertebrata indet.
(Lamarck 1801)
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Antoine et al. 2021 | |||||||||
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Reptilia
- Eusuchia
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Eusuchia indet.
(Huxley 1875)
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Antoine et al. 2021 | |||||||||
| Gavialoidea/ longirostrine Crocodyloidea (fragmentary teeth, large-sized) | ||||||||||
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Reptilia
- Sebecidae
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Sebecidae indet.
Savage 1951
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Antoine et al. 2021 | |||||||||
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Mammalia
- Paucituberculata
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Palaeothentoidea informal indet. 1
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Antoine et al. 2021 | |||||||||
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Mammalia
- Panameriungulata
- Didolodontidae
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? Didolodus sp.
Ameghino 1897
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Antoine et al. 2021 | |||||||||
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Mammalia
- Rodentia
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Caviomorpha informal gen. et . sp. indet. 1
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| MUSM 2909 | ||||||||||
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Caviomorpha informal gen. et . sp. indet. 2
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| MUSM 3438 | ||||||||||
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Caviomorpha informal gen. et . sp. indet. 3
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| MUSM 3439 | ||||||||||
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Mammalia
- Rodentia
- Agoutidae
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Eoincamys valverdei
Boivin et al. 2018
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| MUSM 3428 and 3429 | ||||||||||
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Eoincamys parvus
Boivin et al. 2018
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| MUSM 2962-2966 and 3430-3437 | ||||||||||
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Mammalia
- Rodentia
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Selvamys paulus n. gen., n. sp.
Boivin et al. 2018
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| MUSM 2960 - holotype | ||||||||||
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Tarapotomys subandius
|
Antoine et al. 2021 | |||||||||
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Tarapotomys subandinus
Boivin et al. 2018
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| MUSM 2961 | ||||||||||
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Mammalia
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cf. Griphodon sp.
Anthony 1924
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Antoine et al. 2021 | |||||||||
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Mammalia
- Cingulata
- Dasypodidae
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Parastegosimpsonia peruana
Ciancio et al. 2012
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Antoine et al. 2021 | |||||||||
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Mammalia
- Mylodontidae
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Mylodontidae indet.
Ameghino 1889
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Antoine et al. 2021 | |||||||||
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Dipnomorpha
- Lepidosirenidae
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Lepidosirenidae indet.
Stirton 1953
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Antoine et al. 2021 | |||||||||
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Actinopteri
- Siluriformes
- Pimelodidae
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cf. Phractocephalus sp.
Spix and Agassiz 1829
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Antoine et al. 2021 | |||||||||
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Actinopteri
- Characiformes
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Characiformes informal indet. 4
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Antoine et al. 2021 | |||||||||
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Actinopteri
- Characiformes
- Anostomidae
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cf. Leporinus sp.
Lundberg 1997
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Antoine et al. 2021 | |||||||||
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Leporinus sp.
Lundberg 1997
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Antoine et al. 2021 | |||||||||
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Actinopteri
- Characiformes
- Cynodontidae
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cf. Hydrolycus sp.
Lundberg 1997
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Antoine et al. 2021 | |||||||||
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Chondrichthyes
- Myliobatiformes
- Dasyatidae
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Paratrygon sp.
Dumeríl 1865
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Antoine et al. 2021 | |||||||||
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Chondrichthyes
- Rhinopristiformes
- Pristidae
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Pristis sp.
Linck 1790
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Antoine et al. 2021 | |||||||||
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Gastropoda
- Ampullariidae
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Ampullariidae indet.
Gray 1824
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Antoine et al. 2021 | |||||||||
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Bivalvia
- Cardiida
- Cyrenidae
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? Cyrenidae indet.
Gray 1840
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Antoine et al. 2021 | |||||||||
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unclassified
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Archaeoyracidae indet.
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Serrasalminae indet.
|
Antoine et al. 2021 | |||||||||
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Pelomedusoidea indet.
|
Antoine et al. 2021 | |||||||||
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Malacostraca
- Decapoda
- Trichodactylidae
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Trichodactylidae indet.
Milne-Edwards 1853
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Antoine et al. 2021 | |||||||||
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Charophyceae
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Charophyceae indet.
Smith 1938
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Antoine et al. 2021 | |||||||||
| oogonia | ||||||||||
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unclassified
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Plantae indet.
Haeckel 1866
|
Antoine et al. 2021 | |||||||||
| seeds | ||||||||||
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Magnoliopsida
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Magnoliopsida indet.
Cronquist et al. 1996
|
Antoine et al. 2021 | |||||||||
| 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 Oligocene | Mammal zone: | Tinguirirican |
| Age range of interval: | 33.9 - 27.82 m.y. ago |
Stratigraphy
| Formation: | Pozo | Member: | Pozo Shale |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | conglomerate |
| Includes fossils? | Y |
| Lithology description: fluvial micro-conglomeratic lenses intercalated with floodplain fine deposits Gypsum-rich blue clays with calcareous nodules within a coarse-grained sandstone channel | |
| Environment: | "floodplain" |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | TAR 22 | ||
| Database number: | 199563 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion, G. Varnham |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2019-01-31 04:26:36 | Last modified: | 2022-05-18 06:33:40 |
| Access level: | the public | Released: | 2019-01-31 04:26:36 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 67835. | M. Boivin, L. Marivaux, F. Pujos, R. Salas-Gismondi, J. V. Tejada-Lara, R. M. Varas-Malca, and P.-O. Antoine. 2018. Early Oligocene caviomorph rodents from Shapaja, Peruvian Amazonia. Palaeontographica Abteilung A 311(1-6):87-156 [P. Mannion/P. Mannion] |
Secondary references:
| 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] |