Where: Guizhou, China (26.0° N, 107.1° E: paleocoordinates 6.0° N, 96.7° E)

• coordinate estimated from map

When: Dalong Formation, Changhsingian (254.2 - 252.2 Ma)

Environment/lithology: chert

Size class: microfossils

Preservation: original silica

Collection methods: bulk,

Primary reference: A. Yao and K. Kuwahara. 1999. Permian and Triassic radiolarian assemblages from the Yangzi Platform. Biotic and Geological Department of the Paleo-Tethys in China 1-16 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 220757: authorized by William Foster, entered by William Foster on 14.06.2021

Creative Commons license: CC BY (attribution)