nearshore section, Xia MaJiaGou Fm., ZhaoGeZhuang, TangShan City, HeBei Prov., C: Arenig, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Histiodus sp.
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites sp.
Le Sueur 1818
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Cephalopoda
- Orthocerida
- Proteoceratidae
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Kogenoceras sp.
Shimizu and Obata 1936
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| synonym of Tofangoceras | |||||||
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Conodonta
- Prioniodontida
- Multioistodontidae
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Multioistodus sp.
Cullison 1938
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Conodonta
- Prioniodontida
- Plectodinidae
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Tangshanodus sp.
An 1983
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Conodonta
- Panderodontida
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Loxodus sp.
Furnish 1938
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Conodonta
- Protopanderodontida
- Protopanderodontidae
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Scolopodus sp.
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| see common names | |||||||
Geography
| Country: | China | State/province: | HeBei |
| Coordinates: | 39.0° North, 118.0° East (view map) | ||
| Paleocoordinates: | 10.0° South, 130.9° East | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Late/Upper Arenig |
| *International age/stage: | Late/Upper Arenig | ||
| Key time interval: | Arenig | ||
| Age range of interval: | 477.70000 - 468.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Xia Majiagou |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | dolomitic,gray lithified cherty/siliceous "limestone" |
| Secondary lithology: | dolomite |
| Lithology description: gray moderate to thick-bedded limestone and dolomitic limestone with chert nodules and mud varves | |
| Environment: | peritidal |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7960 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-06-10 11:51:35 | Last modified: | 2000-06-10 14:51:35 |
| Access level: | the public | Released: | 2000-11-20 13:53:35 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 520. | G. Lai. 1982. No.5 The Ordovician System of China. Stratigraphy of China 46-49 [A. Miller/P. Novack-Gottshall/P. Wagner] |