Unit 18, Tongzhi Fm., Guangyingqiao and Qijiang, Sichuan Prov., China ( of China)

Where: Sichuan, China (29.0° N, 107.0° E: paleocoordinates 20.8° N, 144.3° E)

• local area-level geographic resolution

When: Tongzi Formation, Tremadoc (486.5 - 477.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: sand shoal; lithified, ooidal limestone and dolomite

• limestone, dolomite, and oolites

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 5417: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.10.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Eoorthidae
Apheoorthis sp.
Apheoorthis sp. Ulrich and Cooper 1936
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo sp.
Palaeoneilo sp. Hall and Whitfield 1869 clam