Dawan Fm., Yangjiaba, Chengkou County, Sichuan Prov., China (Ordovician of China)
Where: Sichuan, China (32.0° N, 108.0° E: paleocoordinates 15.5° N, 141.5° E)
• local area-level geographic resolution
When: Dawan Formation, Arenig (478.6 - 466.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; lithified, argillaceous limestone and shale
• muddy limestone and gneissic shale
Primary reference: Sichuan Stratigraphic Work Group. 1978. Regional stratigraphic table of the southwestern region of China, Sichuan part. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 7648: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Pterobranchia | |
Didymograptus sp. McCoy 1851 graptolite | |
Phyllograptus sp. Hall 1858 graptolite | |
Rhynchonellata | |
Yangtzeella sp. Kolarova 1925 | |
Strophomenata | |
Trilobita | |
Ampyx sp. Dalman 1827 trilobite | |
Hanchungolithus sp. Lu 1956 trilobite | |
Isoteloides sp. Raymond 1910 trilobite |