Rocas Bayas, Río Negro, Argentina: Early Oligocene, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Notoungulata
- Archaeohyracidae
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Archaeohyrax patagonicus
Ameghino 1897
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Reguero and Prevosti 2010 | |||||||||
| MLP 83-I-12-4, maxillary with broken P4 and M1-3 | ||||||||||
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Mammalia
- Notoungulata
- Interatheriidae
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Eopachyrucos pliciferus
Ameghino 1901
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| MLP 91-IX-5-17 | ||||||||||
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Santiagorothia chiliensis
Hitz et al. 2000
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| MLP 91-IX-5-15, 83-I-12-1, 91-IX-5-14a, 91-IX-5-14b | ||||||||||
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Mammalia
- Cingulata
- Dasypodidae
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Meteutatus rigidus
Ameghino 1902
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Carlini et al. 2009 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Rio Negro | County: | Depto. 25 de Mayo |
| Coordinates: | 41.0° South, 69.0° West (view map) | ||||
| Paleocoordinates: | 42.8° South, 60.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Early Oligocene | ||
| Age range of interval: | 33.9 - 27.82 m.y. ago |
Stratigraphy
| Stratigraphy comments: Likely Tinguirirican in age. |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | permineralized |
| Size of fossils: | macrofossils,mesofossils |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | MLP |
Metadata
| Database number: | 38651 | ||
| Authorizer: | D. Croft, J. Zijlstra, P. Mannion | Enterer: | D. Croft, P. Mannion, J. Zijlstra |
| Modifier: | D. Croft | Research group: | vertebrate |
| Created: | 2004-04-27 12:07:04 | Last modified: | 2006-09-15 21:40:54 |
| Access level: | the public | Released: | 2004-04-27 12:07:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 10307. | R. Hitz, M. Reguero, A. R. Wyss and J. J. Flynn. 2000. New interatheriines (Interatheriidae, Notoungulata) from the Paleogene of Central Chile and Southern Argentina. Fieldiana: Geology (New Series) 42:1-26 [D. Croft/D. Croft/D. Croft] |
Secondary references:
| 46251 | G. Billet, B. Patterson, and C. Muizon. 2009. Craniodental anatomy of late Oligocene archaeohyracids (Notoungulata, Mammalia) from Bolivia and Argentina and new phylogenetic hypotheses. Zoological Journal of the Linnean Society 155:458-509 [C. Jaramillo/A. Cárdenas] | |
| 62632 | A. A. Carlini, M. R. Ciancio, J. J. Flynn, G. J. Scillato-Yané, and A. R. Wyss. 2009. The phylogenetic and biostratigraphic significance of new armadillos (Mammalia, Xenarthra, Dasypodidae, Euphractinae) from the Tinguirirican (early Oligocene) of Chile. Journal of Systematic Palaeontology 7(4):489-503 [P. Mannion/P. Mannion] | |
| 58079 | M. A. Reguero and F. J. Prevosti. 2010. Rodent-like notoungulates (Typotheria) from Gran Barranca, Chubut Province, Argentina: phylogeny and systematics. In R. H. Madden, A. A. Carlini, M. G. Vucetich, R. F. Kay (eds.), The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia 148-165 [J. Zijlstra/J. Zijlstra] |