AFI 4018. Chenjiahe section: Darriwilian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Billingsellida
- Polytoechiidae
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Tritoechia mina
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1 specimen | |||||||||
0:0:1:0:0:0:0 | ||||||||||
Martellia ichangensis
Wang 1956
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3 specimens | |||||||||
1:2:2:0:0:0:0 | ||||||||||
Rhynchonellata
- Orthida
- Archaeorthidae
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Nothorthis perplexa
Xu and Liu 1984
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3 specimens | |||||||||
0:1:0:2:0:2:0 | ||||||||||
Rhynchonellata
- Orthida
- Glyptorthidae
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Lepidorthis typicalis
Wang 1955
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3 specimens | |||||||||
0:1:1:0:0:0:2 | ||||||||||
Rhynchonellata
- Pentamerida
- Clarkellidae
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Yangtzeella poloi
(Martelli 1901)
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19 specimens | |||||||||
recombined as Yangtzeella (Yangtzeella) poloi | ||||||||||
1:18:7:0:0:0:0 | ||||||||||
Rhynchonellata
- Protorthida
- Skenidiidae
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Protoskenidioides huanghuaensis
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18 specimens | |||||||||
0:5:7:11:5:8:12 | ||||||||||
Lingulata
- Lingulida
- Obolidae
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Palaeoglossa sp.
Cockerell 1911
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1 specimen | |||||||||
0:0:0:0:0:1:0 | ||||||||||
see common names |
Geography
Country: | China | State/province: | Hubei | County: | Yichang |
Coordinates: | 30.9° North, 111.4° East (view map) | ||||
Paleocoordinates: | 11.0° North, 134.8° East | ||||
Basis of coordinate: | estimated from map |
Time
Period: | Ordovician | Epoch: | Middle Ordovician |
Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
Key time interval: | Darriwilian | Graptolite zone: | Undulograptus austrodentatus |
Age range of interval: | 467.3 - 458.4 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | nodular calcareous mudstone |
Secondary lithology: | "limestone" |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | paleoecologic analysis |
Metadata
Database number: | 186130 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2017-06-15 10:15:43 | Last modified: | 2018-04-26 23:21:44 |
Access level: | the public | Released: | 2017-06-15 10:15:43 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
62451. | R. Zhan, J. Jin, and P. Chen. 2007. Brachiopod diversification during the Early–Mid Ordovician: an example from the Dawan Formation, Yichang area, central China. Canadian Journal of Earth Sciences 44:9-24 [P. Wagner/P. Wagner] |