Unit 23, Honghuayuan Fm., Guangyingqiao and Qijiang, Sichuan Prov., China: Arenig, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Pentamerida - Clarkellidae
Diaphelasma sp.
Rhynchonellata - Orthida - Eoorthidae
Apheoorthis sp. Ulrich and Cooper 1936
Trilobita - Asaphida - Asaphidae
Psilocephalina sp. Hsu 1948
see common names

Geography
Country:China State/province:Sichuan
Coordinates: 29.0° North, 107.0° East (view map)
Paleocoordinates:17.9° North, 139.5° East
Geographic resolution:local area
Time
Period:Ordovician
10 m.y. bin:Ordovician 2
*Period:Early/Lower Ordovician *Epoch:Early/Lower Arenig
*International age/stage:Early/Lower Arenig
Key time interval:Arenig
Age range of interval:477.70000 - 468.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Honghuayuan
Local section:23
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: chert
Lithology description: limestone and chert
Environment:shallow subtidal indet.
Taphonomy
Collection methods and comments
Collection excludes:species names
Metadata
Database number:5419
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-10-02 15:42:28 Last modified:2001-08-16 13:10:35
Access level:the public Released:2000-11-20 13:53:26
Creative Commons license:CC BY
Reference information

Primary reference:
288. R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall]