Where: YunNan, China (24.0° N, 102.0° E: paleocoordinates 27.7° N, 143.6° E)

• local area-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: shoreface; lithified, green, yellow siltstone and mudstone

Primary reference: Stratigraphic Group of Yunnan, China. 1978. Regional stratigraphic data of Southwest China, Yunnan Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 7733: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 31.05.2000