Where: Guizhou, China (25.6° N, 106.2° E: paleocoordinates 6.5° S, 96.4° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chongtou Member (Sidazhai Formation), Roadian (272.3 - 268.8 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (); lithified limestone
Size class: macrofossils
Reposited in the NIGPAS
Primary reference: Z. R. Zhou. 2017. Permian basinal ammonoid sequence in Nanpanjiang area of South China - possible overlap between basinal Guadalupian and platform-based Lopingian. Journal of Paleontology 91(Memoir 74):1-95 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185568: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Verbeekina cf. verbeeki Geinitz and Marek 1876 | |
Schwagerina sp. Moeller 1877 | |