Locality III, Tapera de López, Riconada de los López: Bartonian, Argentina
collected by Scarritt Expedition 1933
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
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Caroloameghinia tenuis
(Ameghino 1901)
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| AMNH 28928 | ||||||||||
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Mammalia
- Sparassodonta
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Arminiheringia sp.
Ameghino 1902
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| AMNH 114051 | ||||||||||
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Mammalia
- Polydolopidae
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Amphidolops serrula
Ameghino 1902
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Marshall 1982 | 3 specimens | ||||||||
| AMNH 28922, 28923, 28929 | ||||||||||
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Polydolops thomasi
Ameghino 1897
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Marshall 1982 | 8 specimens | ||||||||
| AMNH 28920, 28921, 28924-27, 28930, 28931 | ||||||||||
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Mammalia
- Notoungulata
- Isotemnidae
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Pleurostylodon cf. similis
Ameghino 1901
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| AMNH 28929 | ||||||||||
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Isotemnus primitivus
Ameghino 1897
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| AMNH 28938, 28940, 114052 | ||||||||||
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Mammalia
- Notoungulata
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? Periphragnis sp.
Roth 1899
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| AMNH 28941 | ||||||||||
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Mammalia
- Notoungulata
- Oldfieldthomasiidae
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Oldfieldthomasia debilitata
(Ameghino 1901)
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| AMNH 114050 | ||||||||||
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Mammalia
- Notoungulata
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Antepithecus brachystephanus
Ameghino 1901
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| AMNH 114046 | ||||||||||
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Notopithecus sp.
Ameghino 1897
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| AMNH 28937 | ||||||||||
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Notopithecus cf. adapinus
Ameghino 1897
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| AMNH 28936 | ||||||||||
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Mammalia
- Notoungulata
- Notostylopidae
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Notostylops sp.
Ameghino 1897
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| AMNH 114047, 114049 | ||||||||||
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Notostylops cf. murinus
Ameghino 1897
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| AMNH 28957, 28958 | ||||||||||
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Mammalia
- Astrapotheria
- Trigonostylopidae
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Trigonostylops sp.
Ameghino 1897
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| AMNH 28935 | ||||||||||
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Albertogaudrya sp.
Ameghino 1901
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| AMNH 114053 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Chubut | County: | Paso de Indios |
| Coordinates: | 44.4° South, 68.7° West (view map) | ||||
| Paleocoordinates: | 46.8° South, 59.3° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
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 | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Barrancan SALMA - Middle Eocene | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Disassociated major elements: | some |
| Disassociated minor elements: | some |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | Scarritt Expedition | Collection dates: | 1933 |
Metadata
| Database number: | 49900 | ||
| Authorizer: | D. Croft | Enterer: | D. Croft |
| Modifier: | M. Kouvari | Research group: | vertebrate |
| Created: | 2005-05-01 13:29:21 | Last modified: | 2020-09-19 09:34:45 |
| Access level: | the public | Released: | 2005-05-01 13:29:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 13081. | L. G. Marshall, R. L. Cifelli, R. E. Drake and G. H. Curtis. 1986. Vertebrate paleontology, geology, and geochronology of the Tapera de López and Scarritt Pocket, Chubut Province, Argentina. Journal of Paleontology 60(4):920-951 [D. Croft/D. Croft/D. Croft] |
Secondary references:
| 57557 | L. G. Marshall. 1982. Systematics of the extinct South American marsupial family Polydolopidae. Fieldiana Geology 12:1-109 [R. Butler/R. Butler] |