GuLangXia and GuLang Counties: Llandeilo, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena sp.
Rafinesque and De Blainville 1824
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina sp.
Hall and Clarke 1892
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Gastropoda
- Euomphalina
- Helicotomidae
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Ophiletina sp.
Ulrich and Scofield 1897
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Gastropoda
- Murchisoniina
- Eotomariidae
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Liospira sp.
Ulrich and Scofield 1897
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Gastropoda
- Murchisoniina
- Lophospiridae
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Lophospira sp.
Whitfield 1886
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see common names |
Geography
Country: | China | State/province: | GanSu | County: | GuLangXia and GuLang |
Coordinates: | 38.0° North, 102.0° East (view map) | ||||
Paleocoordinates: | 25.6° South, 119.2° East | ||||
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Middle Ordovician |
Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
*Period: | Middle Ordovician | *Epoch: | Llandeilo |
Key time interval: | Llandeilo | ||
Age range of interval: | 461.30000 - 458.40000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Zhongbao | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: PJW: given as Chelungou, but that is an older group. The Llandeilo-aged rock here is Zhongbao formation. |
Lithology and environment
Primary lithology: | gray,green,red or brown lithified cherty/siliceous sandstone |
Secondary lithology: | "limestone" |
Lithology description: grayish green arkose and slate with red siliceous limestone and breccia and sandstone | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | species names |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Also known as: | CheLunGou Fm., GuLangXia and GuLang Counties, GanSu Prov., China | ||
Database number: | 8556 | ||
Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2000-08-02 09:00:34 | Last modified: | 2018-05-16 14:04:41 |
Access level: | the public | Released: | 2000-08-02 09:00:34 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
526. | Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] |