Where: Guizhou, China (26.0° N, 104.7° E: paleocoordinates 5.6° N, 94.7° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Feixianguan Formation, Griesbachian (251.9 - 250.5 Ma)

• Samples from this section represent Permian-Triassic boundary beds (WD1 & 2), earliest Triassic beds (WD3 - 6) and Claraia beds (late Griesbachian; WD7 & 8)

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; siltstone

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 205994: authorized by Alex Dunhill, entered by Bethany Allen on 28.10.2019

Creative Commons license: CC BY (attribution)