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 5280: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 12.09.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Eocrinoidea | |
Imbricata indet. Sprinkle 1973 | |
Lingulata | |
Acrotreta sp. Kutorga 1848 | |
Trilobita | |
Lohanpopsis sp. Lu 1965 trilobite | |
Psilocephalina sp. Hsu 1948 trilobite
Asaphellus sp. Callaway 1877 trilobite | |
Asaphopsis sp. Mansuy 1920 trilobite | |
"Szechuanella sp." = Pseudocalymene
"Szechuanella sp." = Pseudocalymene Pillet 1974 trilobite |