Río Frías: Friasian, Chile
collected by Santiago Roth 1897-1898
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Panameriungulata
- Adianthidae
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Adianthus godoyi n. sp.
Cifelli 1991
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Cifelli 1991 | |||||||||
| Holotype: Duke-MNHN CH89-109 | ||||||||||
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Mammalia
- Panameriungulata
- Macraucheniidae
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Theosodon sp.
Ameghino 1887
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Phoenixauchenia sp.
Ameghino 1904
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Mammalia
- Rodentia
- Dasyproctidae
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Alloiomys friasensis n. sp.
(Kraglievich 1930)
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Mammalia
- Notoungulata
- Toxodontidae
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Prototrigodon rothi n. gen., n. sp.
Kraglievich 1930
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Adinotherium sp.
Ameghino 1887
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Nesodon sp.
Owen 1846
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Mammalia
- Notoungulata
- Homalodotheriidae
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Homalodotherium sp.
Huxley 1870
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Mammalia
- Notoungulata
- Mesotheriidae
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Eutypotherium sp.
Roth 1902
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Mammalia
- Notoungulata
- Interatheriidae
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Protypotherium sp.
Ameghino 1882
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Mammalia
- Notoungulata
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Pachyrukhos sp.
Ameghino 1885
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Mammalia
- Astrapotheria
- Astrapotheriidae
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Astrapotherium hesperinum
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Mammalia
- Cingulata
- Chlamyphoridae
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Prozaedius sp.
Ameghino 1891
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Mammalia
- Cingulata
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? Palaehoplophorus sp.
(Ameghino 1883)
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Mammalia
- Cingulata
- Propalaehoplophoridae
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? Propalaehoplophorus sp.
Ameghino 1887
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Mammalia
- Mylodontidae
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Neonematherium sp.
Ameghino 1904
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Mammalia
- Megatheriidae
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Megathericulus friasensis n. sp.
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| see common names | ||||||||||
Geography
| Country: | Chile |
| Coordinates: | 44.6° South, 71.2° West (view map) |
| Paleocoordinates: | 45.2° South, 66.3° West |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Friasian | ||
| Age range of interval: | 16.2 - 15.4 m.y. ago |
Stratigraphy
| Formation: | Río Frías | ||||
| Stratigraphy comments: Friasian sensu stricto. |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | MLP | ||
| Collectors: | Santiago Roth | Collection dates: | 1897-1898 |
Metadata
| Also known as: | Alto Río Cisnes, Aisén, Friaséen, Friasian | ||
| Database number: | 176666 | ||
| Authorizer: | J. Zijlstra, P. Mannion | Enterer: | J. Zijlstra, M. Kouvari |
| Modifier: | M. Kouvari | Research group: | vertebrate |
| Created: | 2016-02-25 01:49:54 | Last modified: | 2020-09-17 09:34:24 |
| Access level: | the public | Released: | 2016-02-25 01:49:54 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 44988. | L. G. Marshall. 1990. Fossil Marsupialia from the type Friasian Land Mammal Age (Miocene), Alto Rio Cisnes, Aisen, Chile. Revista Geológica de Chile 17(1):19-55 [C. Jaramillo/J. Carrillo/J. Carrillo] |
Secondary references:
| 69960 | R. L. Cifelli. 1991. A new Adianthid Litoptern (Mammalia) from the Miocene of Chile. Revista Chilena de Historia Natural 64:119-125 [P. Mannion/M. Kouvari] |