Xia MaJiaGou Fm., ToFang Gou, BenXi City, LiaoNing Prov., China: Arenig, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Actinocerida
- Wutinoceratidae
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Wutinoceras sp.
Shimizu and Obata 1935
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Cephalopoda
- Actinocerida
- Polydesmiidae
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Polydesmia sp.
Lorenz 1906
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Ordosoceras sp.
Chang 1959
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Cephalopoda
- Orthocerida
- Stereoplasmoceratidae
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Stereoplasmoceras sp.
Grabau 1922
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Trilobita
- Asaphida
- Asaphidae
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Eoisotelus sp.
Wang 1938
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Geography
| Country: | China | State/province: | LiaoNing |
| Coordinates: | 40.0° North, 123.0° East (view map) | ||
| Paleocoordinates: | 6.1° South, 131.8° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Arenig - Late/Upper Arenig |
| *International age/stage: | Early/Lower Arenig - 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: | formation |
Lithology and environment
| Primary lithology: | gray lithified "limestone" |
| Secondary lithology: | dolomitic lithified "limestone" |
| Lithology description: Gray limestone and dolomitic limestone | |
| Environment: | marine indet. |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 20757 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2002-06-06 07:08:07 | Last modified: | 2002-06-06 10:08:07 |
| Access level: | the public | Released: | 2002-06-06 07:08:07 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3861. | Stratigraphic Group of LiaoNing and HeNan Provinces. 1989. Regional stratigraphic table of northern China: LiaoNing and HeNan Provinces. Geological Publishing House, Beijing, China (Original source resides with A. Miller) [A. Miller/P. Novack-Gottshall] |