Unit 30, Dawan Fm., Lower Mbr., Huanghuachang and Yiching, Hubei Prov., China: Arenig, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Protopanderodontida
- Cornuodontidae
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Cornuodus sp.
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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
- Balognathidae
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Baltoniodus sp.
Lindstrom 1971
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Conodonta
- Prioniodontida
- Oistodontidae
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Oistodus sp.
Pander 1856
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Conodonta
- Prioniodontida
- Acodontidae
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Acodus sp.
Pander 1856
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Conodonta
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Nasusgnathus sp.
Ni 1983
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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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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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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Rhynchonellata
- Pentamerida
- Clarkellidae
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Yangtzeella sp.
Kolarova 1925
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Strophomenata
- Strophomenida
- Taffiidae
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Leptella sp.
Hall and Clarke 1892
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Cephalopoda
- Endocerida
- Endoceratidae
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Dideroceras sp.
Flower 1950
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Trilobita
- Trinucleida
- Raphiophoridae
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Ampyx sp.
(Dalman 1827)
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| original and current combination Asaphus (Ampyx) | |||||||
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Trilobita
- Trinucleida
- Trinucleidae
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Ningkianolithus sp.
Lu 1954
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Trilobita
- Asaphida
- Asaphidae
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Pseudobasilicus sp.
Reed 1930
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Megalaspides sp.
Brögger 1886
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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: | 477.70000 - 468.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | lithified argillaceous "carbonate" |
| Secondary lithology: | "shale" |
| Environment: | deep subtidal shelf |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 4719 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-08-18 07:08:16 | Last modified: | 1999-08-18 10:08:16 |
| 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] |