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
Cyrtoniodus sp.
Pseudoskimoceras sp.
Cephalopoda - Endocerida - Proterocameroceratidae
Proterocameroceras sp. Ruedemann 1905
Cephalopoda - Orthocerida - Proteoceratidae
Tofangoceras sp. Kobayashi 1927
Kogenoceras sp. Shimizu and Obata 1936
synonym of Tofangoceras
Cephalopoda - Actinocerida - Wutinoceratidae
Wutinoceras sp. Shimizu and Obata 1935
Cephalopoda - Actinocerida - Armenoceratidae
Armenoceras sp. Foerste 1924
Gastropoda - Murchisoniina - Eotomariidae
Gastropoda - Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818
Trilobita - Asaphida - Asaphidae
Eoisotelus sp. Wang 1938
Conodonta - Ozarkodinida
Plectodina sp.
Conodonta
Sagittodontus sp. Rhodes 1953
Conodonta - Proconodontida - Cordylodontidae
Cordylodus sp. Pander 1856
Conodonta - Prioniodontida
Ptiloconus sp. Sweet 1955
synonym of Erismodus
Conodonta - Prioniodontida - Acodontidae
Acontiodus sp. Pander 1856
synonym of Acodus
Conodonta - Prioniodontida - Phragmodontidae
Gothodus sp. Lindström 1955
Conodonta - Prioniodontida - Oistodontidae
Oistodus sp. Pander 1856
Conodonta - Protopanderodontida - Protopanderodontidae
Scolopodus sp.
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]