Unit 34, Wufeng Fm., Lower Mbr., Yanheganxi and Yanhe, Guizhou Prov., China: Wufeng - Rawtheyan, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pterobranchia - Graptoloidea - Lasiograptidae
Yinograptus sp. Mu 1962
Pterobranchia - Graptoloidea - Diplograptidae
Orthograptus sp. Lapworth 1873
Amplexograptus sp.
Pterobranchia - Graptoloidea - Climacograptidae
Climacograptus sp. Hall 1865
Pterobranchia - Graptoloidea - Dicranograptidae
Dicellograptus sp. Hopkinson 1871
Pleurograptus sp.
Pterobranchia - Graptoloidea
Pararetiograptus sp.
see common names

Geography
Country:China State/province:Guizhou
Coordinates: 29.0° North, 109.0° East (view map)
Paleocoordinates:9.2° North, 129.0° East
Geographic resolution:local area
Time
Period: Ordovician Epoch: Late Ordovician
10 m.y. bin: Ordovician 5
*Period:Late/Upper Ordovician *Epoch:Middle Ashgill
*International age/stage:Cautleyan - Rawtheyan *Local age/stage:Early/Lower - Middle Wufeng
Key time interval: Wufeng - Rawtheyan
Age range of interval: 449.5 - 445.2 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wufeng Member:Lower
Local section:34
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray lithified cherty/siliceous "shale"
Environment:offshore
Geology comments: Light gray silica shale
Taphonomy
Collection methods and comments
Metadata
Database number:4747
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-08-18 19:25:37 Last modified:1999-08-18 22:25:37
Access level:the public Released:2000-11-20 13:53:23
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]