Where: Sichuan, China (33.0° N, 107.0° E)
• Paleocoordinates: 0.2° N, 74.1° E (Wright 2013)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Spirograptus turriculatus zone, Nanjiang Formation, Telychian (438.5 - 433.4 Ma)
• 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. "The Nanjiang Fm. directly overlies the Wufeng Shale, which indicates the presence of an important disconformity that omits much of the Lower Silurian."
• formation-level stratigraphic resolution
Environment/lithology: marine; black shale and gray shale
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 27798: authorized by Michael Foote, entered by Michael Foote on 09.01.2003
Creative Commons license: CC0 (CC0)
Taxonomic list
Pterobranchia | |
Sinodiversograptus sp. graptolite | |
Climacograptus sp. Hall 1865 climacograptid | |
Monograptus spp., Pristiograptus spp., Oktavites spp., Pernerograptus sp., Rastrites spp., Streptograptus spp., Spirograptus spp.
Pernerograptus sp. Přibyl 1941 graptolite | |
Retiolites sp., Pseudoretiolites spp., Pseudoplegmatograptus spp., Glyptograptus spp., Petalolithus spp.
Retiolites sp. graptolite |