Where: Chongqing, China (29.5° N, 106.4° E: paleocoordinates 8.3° N, 93.9° E)

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

Environment/lithology: open shallow subtidal; wackestone

Size class: mesofossils

Preservation: cast, original calcite

Collection methods: bulk, peel or thin section,

Primary reference: E. Jia and H. Song. 2018. End-Permian mass extinction of calcareous algae and microproblematica from Liangfengya, South China. Geobios 51(5):401-418 [H. Song/E. Jia]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 217734: authorized by Haijun Song, entered by Enhao Jia on 17.02.2021

Creative Commons license: CC BY (attribution)