Lower section, Tongzhi Fm., ShuangHe, Changnin Co., Sichuan Prov., China: Tremadoc, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Paraloshanella sp.
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Rhynchonellata
- Orthida
- Plectorthidae
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Nanorthis sp.
Ulrich and Cooper 1936
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Rhynchonellata
- Pentamerida
- Tetralobulidae
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Imbricatia sp.
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Strophomenata
- Billingsellida
- Polytoechiidae
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Tritoechia sp.
Ulrich and Cooper 1936
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Lingulata
- Lingulida
- Obolidae
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Lingulella sp.
Salter 1866
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Trilobita
- Asaphida
- Asaphidae
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Psilocephalina sp.
Hsu 1948
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Trilobita
- Asaphida
- Taihungshaniidae
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Tungtzuella sp.
Lu 1957
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see common names |
Geography
Country: | China | State/province: | Sichuan | County: | Changnin |
Coordinates: | 28.0° North, 105.0° East (view map) | ||||
Paleocoordinates: | 22.8° North, 144.6° East | ||||
Geographic resolution: | local area |
Time
10 m.y. bin: | Cambrian-Ordovician | ||
*Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Tremadoc |
*International age/stage: | Early/Lower Tremadoc | ||
Key time interval: | Tremadoc | ||
Age range of interval: | 485.00000 - 477.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Lithology and environment
Primary lithology: | lithified dolomite |
Secondary lithology: | "limestone" |
Lithology description: dolomite and limestone | |
Environment: | peritidal |
Taphonomy
Collection methods and comments
Collection excludes: | species names |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 7673 | ||
Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
Created: | 2000-05-30 15:06:42 | Last modified: | 2000-05-30 18:06:42 |
Access level: | the public | Released: | 2000-11-20 13:53:35 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
485. | Sichuan Stratigraphic Work Group. 1978. Regional stratigraphic table of the southwestern region of China, Sichuan part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] |