Unnamed Middle Silurian Series in Yanyuan Co., SW Sichuan Prov.: Wenlock, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Favositida - Favositidae
Palaeofavosites sp. (Twenhofel 1914)
original and current combination Paleofavosites
Favosites orientalis
Mesofavosites angustus
Trilobita - Phacopida - Encrinuridae
Coronocephalus sp. Grabau 1924
Rhynchonellata - Spiriferida - Cyrtiidae
Eospirifer subradiatus
Gastropoda - Murchisoniina - Hormotomidae
Hormotoma cf. kutsingensis
umlaut on u in species name as listed
see common names

Geography
Country:China State/province:Sichuan County:Yanyuan
Coordinates: 27.4° North, 101.5° East (view map)
Paleocoordinates:10.5° North, 131.4° East
Basis of coordinate:based on political unit
Geographic resolution:basin
Time
Period:Silurian Epoch:Wenlock
10 m.y. bin:Silurian 2
Key time interval:Wenlock
Age range of interval:433.40000 - 427.40000 m.y. ago
Stratigraphy
Stratigraphic resolution:group
Stratigraphy comments: Except where otherwise stated, ref. 7624 uses Lower Silurian as equivalent to Llandovery, Middle Silurian as equivalent to Wenlock, and Upper Silurian as equivalent to Ludlow plus Pridoli. "probably of Middle Silurian age" based on fossils at Baizitian.
Lithology and environment
Primary lithology:gray argillaceous "limestone"
Lithology description: "120.8 m of gray, argillaceous limestone [at Shuhe]..[and] corresponding rocks of the same unit [at Baizitian]."
Environment:marine indet.
Geology comments: Correlation chart indicates BA3 based on shelly fauna.
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:27874
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2003-01-15 10:42:35 Last modified:2006-09-13 14:01:03
Access level:the public Released:2003-01-15 10:42:35
Creative Commons license:CC BY
Reference information

Primary reference:

7624. E.-z. Mu, A. J. Boucot, X. Chen and J.-y. Rong. 1986. Correlation of the Silurian rocks of China. In A. J. Boucot and W. B. N. Berry (eds.), Geological Society of America Special Paper 202:1-80 [M. Foote/M. Foote/P. Wagner]