Locality 1. Gualcamayo, Cerro Viejo, Cerro Cumillango,: Arenig, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Billingsellida
- Polytoechiidae
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Tritoechia sp.
Ulrich and Cooper 1936
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Strophomenata
- Strophomenida
- Taffiidae
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Leptella sp.
Hall and Clarke 1892
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Petroria sp.
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| spelled with current rank as Leptella (Petroria) | |||||||
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Niquivilia sp.
Benedetto and Herrera 1993
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Huacoella sp.
Benedetto and Herrera 1993
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Rhynchonellata
- Orthida
- Orthidiellidae
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Orthidium sp.
Hall and Clarke 1892
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Rhynchonellata
- Orthida
- Hesperonomiidae
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Monorthis sp.
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Rhynchonellata
- Orthida
- Orthidae
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Paralenorthis sp.
Havlicek and Branisa 1980
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Taphrorthis sp.
Cooper 1956
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Rhynchonellata
- Orthida
- Platystrophiidae
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Platystrophia sp.
King 1850
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Rhynchonellata
- Orthida
- Plectorthidae
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? Nanorthis sp.
Ulrich and Cooper 1936
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Stenolaemata
- Trepostomida
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Nicholsonella sp.
Ulrich 1890
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites sp.
Le Sueur 1818
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Trilobita
- Corynexochida
- Leiostegiidae
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Annamitella sp.
Mansuy 1920
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Trilobita
- Phacopida
- Pliomeridae
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Benedettia sp.
Toro and Mondali 1981
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Pulchrilaminida
- Pulchrilaminidae
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Pulchrilamina sp.
Toomey and Ham 1967
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Demospongiae
- Anthaspidellidae
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Archaeoscyphia sp.
Hinde 1889
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Protachilleum sp.
Zittel 1877
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Radiocyatha
- Soanitidae
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Calathium sp.
Billings 1865
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| see common names | |||||||
Geography
| Country: | Argentina | State/province: | San Juan |
| Coordinates: | 30.0° South, 69.0° West (view map) | ||
| Paleocoordinates: | 36.9° South, 130.2° West | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Late/Upper Arenig |
| *International age/stage: | Late/Upper Arenig | ||
| Key time interval: | Arenig | Conodont zone: | Oepikodus evae |
| Age range of interval: | 477.70000 - 468.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | San Juan | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Upper Arenig section of San Juan Fm. | |||||
Lithology and environment
| Primary lithology: | gray,green lithified argillaceous,cherty/siliceous "limestone" |
| Secondary lithology: | marl |
| Lithology description: massive cherty limestone, thin-bedded light gray argillaceous limestone, and thin-bedded green marls | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some macrofossils,some microfossils,species names |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Primarily brachiopod, sponge, and trilobite taxonomy and biostrat. | |
Metadata
| Database number: | 8743 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2000-08-28 12:34:43 | Last modified: | 2015-02-26 21:12:01 |
| Access level: | the public | Released: | 2000-08-28 12:34:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 618. | J. L. Benedetto and Z.A. Herrera. 1993. New early Ordovician Leptellinae (Brachiopoda) from the San Juan Formation, west-central Argentina. Ameghiniana 30:39-58 [A. Miller/P. Novack-Gottshall/J. Alroy] |