Unit 31, Dawan Fm., Lower Mbr., Huanghuachang and Yiching, Hubei Prov., China: Arenig, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata
- Pentamerida
- Clarkellidae
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Yangtzeella sp.
Kolarova 1925
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Rhynchonellata
- Orthida
- Paurorthidae
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Nereidella sp.
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Rhynchonellata
- Orthida
- Plectorthidae
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Mimella sp.
Cooper 1930
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Rhynchonellata
- Orthida
- Orthidae
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Sinorthis sp.
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Gastropoda
- Euomphalina
- Ophiletidae
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Ecculiomphalus sp.
Portlock 1843
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Cephalopoda
- Ellesmerocerida
- Bathmoceratidae
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Bathmoceras sp.
Barrande 1865
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus sp.
Lindstrom 1971
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Paroistodus sp.
Lindström 1971
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Protopanderodus sp.
Lindström 1971
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Scolopodus sp.
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Conodonta
- Ozarkodinida
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Periodon sp.
Hadding 1913
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Conodonta
- Prioniodontida
- Oistodontidae
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Oistodus sp.
Pander 1856
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Conodonta
- Prioniodontida
- Balognathidae
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Baltoniodus sp.
Lindstrom 1971
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Rhombifera
- Hemicosmitidae
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Hemicosmites sp.
Buch 1840
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Azygograptus sp.
Nicholson and Lapworth 1875
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Pterobranchia
- Graptoloidea
- Phyllograptidae
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Phyllograptus sp.
Hall 1858
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see common names |
Geography
Country: | China | State/province: | Hubei |
Coordinates: | 33.0° North, 111.0° East (view map) | ||
Paleocoordinates: | 12.8° North, 140.9° 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: | 478.60000 - 466.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Lithology and environment
Primary lithology: | lithified lime mudstone |
Secondary lithology: | "shale" |
Environment: | offshore shelf |
Geology comments: Nodular micrite and mudstone |
Taphonomy
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 4718 | ||
Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
Created: | 1999-08-18 07:08:13 | Last modified: | 1999-08-18 10:08:13 |
Access level: | the public | Released: | 2000-11-20 13:53:23 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
287. | X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall] |