Unit 22, Laozai Fm., Lenshuigou Wenshan, Yunnan Prov., China: Arenig, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Euomphalina - Ophiletidae
Ecculiomphalus sp. Portlock 1843
Rhynchonellata - Orthida - Orthidae
Sinorthis sp.
Trilobita - Corynexochida - Leiostegiidae
? Bathyuriscops sp. Keller and Lisogor 1954
synonym of Annamitella
Trilobita - Asaphida - Asaphidae
Megalaspides sp. Brögger 1886
see common names

Geography
Country:China State/province:Yunnan
Coordinates: 23.0° North, 104.0° East (view map)
Paleocoordinates:23.6° North, 136.0° East
Geographic resolution:local area
Time
Period:Ordovician
10 m.y. bin:Ordovician 2
*Period:Early/Lower Ordovician - Middle 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:Laozai
Local section:22
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified siltstone
Lithology description: quartz sandstone
Environment:foreshore
Taphonomy
Collection methods and comments
Collection excludes:species names
Metadata
Database number:5429
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-10-02 17:00:28 Last modified:2003-07-18 18:01:39
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]