Member 2, Xia MaJiaGou Fm., ZhaoGeZhuang, TangShan, HeBei Prov., China: Llanvirn, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Cyrtoniodus sp.
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Pseudoskimoceras sp.
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Cephalopoda
- Endocerida
- Proterocameroceratidae
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Proterocameroceras sp.
Ruedemann 1905
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Cephalopoda
- Orthocerida
- Proteoceratidae
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Tofangoceras sp.
Kobayashi 1927
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Kogenoceras sp.
Shimizu and Obata 1936
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synonym of Tofangoceras | |||||||
Cephalopoda
- Actinocerida
- Wutinoceratidae
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Wutinoceras sp.
Shimizu and Obata 1935
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Cephalopoda
- Actinocerida
- Armenoceratidae
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Armenoceras sp.
Foerste 1924
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Gastropoda
- Murchisoniina
- Eotomariidae
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Liospira sp.
Ulrich and Scofield 1897
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites sp.
Le Sueur 1818
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Trilobita
- Asaphida
- Asaphidae
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Eoisotelus sp.
Wang 1938
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Conodonta
- Ozarkodinida
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Plectodina sp.
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Conodonta
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Sagittodontus sp.
Rhodes 1953
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Conodonta
- Proconodontida
- Cordylodontidae
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Cordylodus sp.
Pander 1856
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Conodonta
- Prioniodontida
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Ptiloconus sp.
Sweet 1955
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synonym of Erismodus | |||||||
Conodonta
- Prioniodontida
- Acodontidae
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Acontiodus sp.
Pander 1856
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synonym of Acodus | |||||||
Conodonta
- Prioniodontida
- Phragmodontidae
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Gothodus sp.
Lindström 1955
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Conodonta
- Prioniodontida
- Oistodontidae
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Oistodus sp.
Pander 1856
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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, 115.0° East (view map) | ||
Paleocoordinates: | 15.0° South, 126.3° East | ||
Geographic resolution: | local area |
Time
Period: | Ordovician | Epoch: | Middle Ordovician |
Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
*Period: | Middle Ordovician | *Epoch: | Llanvirn |
Key time interval: | Llanvirn | ||
Age range of interval: | 466.00000 - 460.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Xia Majiagou | Member: | 2 |
Stratigraphic resolution: | member |
Lithology and environment
Primary lithology: | planar lamination,dolomitic lithified dolomite |
Secondary lithology: | lime mudstone |
Lithology description: thick-bedded dolostone and dolomitic limestone with some varved mud and micritic limestone | |
Environment: | shallow subtidal indet. |
Taphonomy
Collection methods and comments
Collection excludes: | species names |
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 7971 | ||
Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
Created: | 2000-06-10 12:24:46 | Last modified: | 2001-08-16 13:10:39 |
Access level: | the public | Released: | 2000-11-20 13:53:36 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
521. | North China Stratigraphic Group. 1979. Regional Stratigraphic Table of North China. Branch of HeBei Province and TianJin City 250-260 [A. Miller/P. Novack-Gottshall/P. Wagner] |