Tangchi Fm., YuangJiang-ShiPin, YuanJiang Co., YunNan Prov., China (Ordovician of China)

Where: YunNan, China (24.0° N, 102.0° E: paleocoordinates 27.4° N, 143.1° E)

• local area-level geographic resolution

When: Tangchi Formation, Tremadoc (485.4 - 477.7 Ma)

• group of beds-level stratigraphic resolution

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

• purplish-red to purple to yellowish green shale, 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

Creative Commons license: CC BY (attribution)

Taxonomic list

 Asaphida - Taihungshaniidae
Tungtzuella sp. Lu 1957 trilobite
 Carditida - Cardiniidae
Cypricardinia sp. Hall 1860 clam
 Modiomorphida - Modiomorphidae
Modiolopsis sp. Hall 1847 clam