Where: Guizhou, China (26.5° N, 106.9° E: paleocoordinates 7.3° N, 96.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Ophiceras medium beds

• bed-level stratigraphic resolution

Environment/lithology: lithified marl

Size class: macrofossils

Collection methods: Repository: Yifu Museum of China University of Geosciences, Wuhan

Primary reference: X. Dai, H. J. Song, A. Brayard and D. Ware. 2019. A new Griesbachian–Dienerian (Induan, Early Triassic) ammonoid fauna from Gujiao, South China. Journal of Paleontology 93:48-71 [M. Clapham/M. Clapham/X. Dai]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 198887: authorized by Matthew Clapham, entered by Matthew Clapham on 16.01.2019, edited by Bethany Allen

Creative Commons license: CC BY (attribution)