Unit 20, Fenxiang Fm., Upper Mbr., Huanghuachang and Yiching, Hubei Prov., China: Tremadoc, China

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Asaphida - Asaphidae
Psilocephalina sp. Hsu 1948
Strophomenata - Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Rhynchonellata - Pentamerida - Tetralobulidae
Punctolira sp.
Conodonta - Conodontophorida
Proconodontus sp.
Paroistodus sp. Lindström 1971
Acodus sp. Pander 1856
Conodonta - Protopanderodontida
Drepanoistodus sp. Lindstrom 1971
Paltodus sp. Pander 1856
Pterobranchia - Dendroidea - Dendrograptidae
Dictyonema sp. Hall 1851
see common names

Country:China State/province:Hubei
Coordinates: 33.0° North, 111.0° East (view map)
Paleocoordinates:15.7° North, 145.5° East
Geographic resolution:local area
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:Tremadocian 10 m.y. bin:Ordovician 1
*Period:Early/Lower Ordovician *Epoch:Late/Upper Tremadoc
Key time interval:Tremadoc
Age range of interval:485.40000 - 477.70000 m.y. ago
* legacy (obsolete) database fields
Formation:Fengxiang Member:Upper
Local section:20
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "carbonate"
Secondary lithology: "shale"
Environment:shallow subtidal indet.
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Database number:4730
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-08-18 08:00:47 Last modified:2001-08-16 13:10:33
Access level:the public Released:2000-11-20 13:53:23
Creative Commons license:CC BY
Reference information

Primary reference:

287. X. Wang, L. Xian, S. Ni, Q. Zheng, G. Xu, T. Zhou, C. Lai and Z. Li. 1987. Biostratigraphy of the Yangtze Gorge Area. Part (2) Early Paleozoic Era. Geological Publishing House, Beijing 43-142 [A. Miller/P. Novack-Gottshall]