YinGou Fm., AnMen and YuMen cities, GanSu Prov., China: Llanvirn, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Graptoloidea
- Glossograptidae
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Cryptograptus sp.
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Paraglossograptus sp.
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Glossograptus sp.
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Pterobranchia
- Graptoloidea
- Isograptidae
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Isograptus sp.
Moberg 1892
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Cardiograptus sp.
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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Pterobranchia
- Graptoloidea
- Phyllograptidae
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Phyllograptus sp.
Hall 1858
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Pterobranchia
- Graptoloidea
- Tetragraptidae
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Pseudotrigonograptus sp.
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Pterobranchia
- Graptoloidea
- Climacograptidae
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Climacograptus sp.
Hall 1865
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Trilobita
- Trinucleida
- Raphiophoridae
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Lonchodomas sp.
Angelin 1854
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Trilobita
- Asaphida
- Asaphidae
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Megistaspis sp.
Jaanusson 1956
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Pseudoasaphus sp.
Schmidt 1901
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| see common names | |||||||
Geography
| Country: | China | State/province: | GanSu |
| Coordinates: | 40.0° North, 98.0° East (view map) | ||
| Paleocoordinates: | 25.0° South, 117.2° East | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| 10 m.y. bin: | Ordovician 2-3 | ||
| *Period: | Middle Ordovician | *Epoch: | Llanvirn |
| Key time interval: | Llanvirn | ||
| Age range of interval: | 468.40000 - 458.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Yingou |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | black lithified cherty/siliceous "shale" |
| Secondary lithology: | "limestone" |
| Lithology description: blackish basalt and silicates and black shale and limestone | |
| Environment: | marine indet. |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 8567 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-08-02 09:21:40 | Last modified: | 2000-08-02 12:21:40 |
| Access level: | the public | Released: | 2000-11-20 13:53:38 |
| 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] |