Portezuelo Tontal Fm., Sierra del Tontal, Argentina: Late/Upper Llandeilo, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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Pterobranchia
- Graptoloidea
- Diplograptidae
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Diplograptus sp.
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Pterobranchia
- Graptoloidea
- Dicranograptidae
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Dicellograptus sp.
Hopkinson 1871
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Dicranograptus sp.
(Hall 1865)
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original and current combination Climacograptus (Dicranograptus) | |||||||
Pterobranchia
- Graptoloidea
- Retiolitidae
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Glyptograptus sp.
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see common names |
Geography
Country: | Argentina |
Coordinates: | 31.0° South, 69.0° West (view map) |
Paleocoordinates: | 33.8° South, 133.9° West |
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 4 | ||
*Period: | Middle Ordovician | *Epoch: | Late/Upper Llandeilo |
*International age/stage: | Late/Upper Llandeilo | ||
Key time interval: | Late/Upper Llandeilo | ||
Age range of interval: | 460.90000 - 449.50000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Portezuelo Tontal |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | lithified sandstone |
Lithology description: sandy turbidites | |
Environment: | submarine fan |
Geology comments: Turbidites |
Taphonomy
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Collection method comments: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete |
Metadata
Database number: | 8892 | ||
Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
Modifier: | J. Alroy | Research group: | marine invertebrate |
Created: | 2000-09-02 14:09:07 | Last modified: | 2007-02-21 19:26:07 |
Access level: | the public | Released: | 2000-11-20 13:53:40 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
632. | A. Cuerda, R. Varela, C. Cingolani and O. Schauer. 1988. Nuevas localidades con graptolitos en la Formacion Portezuelo Tontal (Ordovicico), Sector Septentrional de la Sierra del Tontal, Precordillera de San Juan, Argentina. Ameghiniana 25(2):175-183 [A. Miller/P. Novack-Gottshall/M. Uhen] |