Where: Sichuan, China (28.0° N, 105.0° E: paleocoordinates 23.1° N, 145.1° E)

• local area-level geographic resolution

When: Tongzi Formation, Tremadoc (488.3 - 478.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: peritidal; lithified dolomite and limestone

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 7673: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 30.05.2000