Yangtze Gorge [Lower Tianzhushan Mbr, Dengying Fm]: Nemakit-Daldynian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Protoconodonta
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Protohertzina sp.
Missarzhevsky 1973
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| [entered as Protohertizina sp.] | ||||||||||
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Orthothecida
- Circothecidae
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Circotheca sp.
Syssoiev 1958
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Scyphozoa
- Anabaritida
- Anabaritidae
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Anabarites sp.
Voronova and Missarzhevsky 1969
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| see common names | ||||||||||
Geography
| Country: | China | State/province: | Hubei |
| Coordinates: | 30.8° North, 111.3° East (view map) | ||
| Paleocoordinates: | 29.0° North, 160.4° East | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | local area |
Time
| Period: | Cambrian | Epoch: | Terreneuvian |
| 10 m.y. bin: | Cambrian 1-2 | ||
| *Period: | Early/Lower Cambrian - Middle Cambrian | *Epoch: | Caerfai |
| *International age/stage: | Nemakit-Daldynian - Tommotian | *Local age/stage: | Meishucunian |
| Key time interval: | Nemakit-Daldynian | ||
| Age range of interval: | 538.80000 - 525.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Dengying | Member: | Tianzhushan | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: The grouping of beds is 2-3m thick. AGE: Nemakit-Daldynian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data. | |||||
Lithology and environment
| Primary lithology: | lithified silty dolomite |
| Lithology description: silty dolomite | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | soft parts |
Collection methods and comments
| Collection methods: | observed (not collected) |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Description comes from description of the supplimentary diagrammatic section of the Eastern Yangtze Gorge area (Fig. 4). | |
Metadata
| Database number: | 10499 | ||
| Authorizer: | M. Patzkowsky | Enterer: | P. Borkow |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2001-05-14 09:34:38 | Last modified: | 2009-06-12 17:07:13 |
| Access level: | the public | Released: | 2001-05-14 09:34:38 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 423. | S. Weiguo. 1986. Late Precambrian Pennatulids (sea pens) from the Eastern Yangtze Gorge, China: Paracharnia gen. nov. Precambrian Research 31:361-375 [M. Patzkowsky/P. Borkow] |