Unit 23, 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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Trilobita
- Phacopida
- Pliomeridae
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Encrinurella sp.
Reed 1915
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Trilobita
- Phacopida
- Calymenidae
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Neseuretus sp.
Hicks 1873
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Trilobita
- Asaphida
- Asaphidae
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Megalaspides sp.
Brögger 1886
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Trilobita
- Asaphida
- Remopleurididae
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Remopleurides sp.
Portlock 1843
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Rhynchonellata
- Orthida
- Archaeorthidae
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Nothorthis sp.
Ulrich and Cooper 1938
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Rhynchonellata
- Orthida
- Glyptorthidae
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Lepidorthis sp.
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Rhynchonellata
- Orthida
- Plectorthidae
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Mimella sp.
Cooper 1930
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Rhynchonellata
- Orthida
- Finkelnburgiidae
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Diparelasma sp.
Ulrich and Cooper 1936
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Rhynchonellata
- Pentamerida
- Clarkellidae
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Yangtzeella sp.
Kolarova 1925
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Strophomenata
- Billingsellida
- Polytoechiidae
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Polytoechia sp.
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Martellia sp.
Wirth 1936
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Pterobranchia
- Graptoloidea
- Retiolitidae
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Glyptograptus sp.
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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| 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: | Late/Upper 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: | green,yellow lithified "shale" |
| Environment: | offshore |
| Geology comments: Yellowish green mica shale with sandbelts at the bottom | |
Taphonomy
Collection methods and comments
Metadata
| Database number: | 4757 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-08-19 07:26:20 | Last modified: | 1999-08-19 10:26:20 |
| 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] |