Unit 20, Zhitai Fm., Yanheganxi and Yanhe, Guizhou Prov., China: Arenig, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Orthida
- Plectorthidae
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Mimella sp.
Cooper 1930
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Rhynchonellata
- Pentamerida
- Clarkellidae
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Yangtzeella sp.
Kolarova 1925
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Cephalopoda
- Orthocerida
- Baltoceratidae
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Bactroceras sp.
Holm 1898
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Cephalopoda
- Orthocerida
- Sactorthoceratidae
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Sactorthoceras sp.
Kobayashi 1934
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Cephalopoda
- Endocerida
- Thylacoceratidae
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Thylacoceratidae indet.
Teichert and Glenister 1954
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Cephalopoda
- Endocerida
- Endoceratidae
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Kotoceras sp.
Kobayashi 1934
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Kutorgoceras sp.
Balashov 1962
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Dideroceras sp.
Flower 1950
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Cephalopoda
- Ellesmerocerida
- Bathmoceratidae
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Bathmoceras sp.
Barrande 1865
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Trilobita
- Corynexochida
- Leiostegiidae
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Eucalymene sp.
Lu 1975
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| synonym of Pseudocalymene | |||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Guizhou |
| Coordinates: | 29.0° North, 109.0° East (view map) | ||
| Paleocoordinates: | 16.5° North, 138.4° East | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Arenig |
| Key time interval: | Arenig | ||
| Age range of interval: | 477.70000 - 468.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | yellow lithified argillaceous,calcareous "limestone" |
| Secondary lithology: | "shale" |
| Environment: | deep subtidal shelf |
| Geology comments: Purplish-red and yellowish-green muddy limestone with irregular calcareous shale and mud belts | |
Taphonomy
Collection methods and comments
Metadata
| Database number: | 4760 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-08-19 07:27:18 | Last modified: | 1999-08-19 10:27:18 |
| Access level: | the public | Released: | 2000-11-20 13:53:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 288. | R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall] |