Where: Guizhou, China (28.0° N, 107.0° E: paleocoordinates 21.4° N, 143.4° E)
• local area-level geographic resolution
When: Tongzi Formation, Tremadoc (486.5 - 477.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified mudstone and limestone
Primary reference: 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]more details
PaleoDB collection 5281: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 12.09.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Eocrinoidea | |
Imbricata indet. Sprinkle 1973 | |
Trilobita | |
Asaphellus sp. Callaway 1877 trilobite | |
Lohanpopsis sp. Lu 1965 trilobite | |
Chungkingaspis sp. Lu 1962 trilobite |