Where: Yunnan, China (26.5° N, 104.4° E: paleocoordinates 4.9° N, 94.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kayitou Formation, Changhsingian to Changhsingian (254.2 - 250.5 Ma)

• Samples from this locality come from the Permian-Triassic boundary beds (CNH1 - CNH8) and earliest Triassic (CNH9 - CNH11)

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal; mudstone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (BGEG), Wuhan, China

Primary reference: T. Song, J. Tong, L. Tian, D. Chu, and Y. Huang. 2018. Taxonomic and ecological variations of Permian-Triassic transitional bivalve communities from the littoral clastic facies in southwestern China. Palaeogeography, Palaeoclimatology, Palaeoecology 519:108-123 [A. Dunhill/B. Allen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 205968: authorized by Alex Dunhill, entered by Bethany Allen on 28.10.2019

Creative Commons license: CC BY (attribution)