Sidazhai section, KTP5-17 (Permian to of China)

Where: Guizhou, China (25.6° N, 106.2° E: paleocoordinates 1.9° S, 98.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: 2 Member (Shaiwa Formation), Capitanian to Capitanian (265.1 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified carbonate

• Several cyclothems, each one includes three components (in ascending order): (1) dark-gray, thick-bedded bioclastic calcareous conglomerate; (2) dark-gray, medium- to thick-bedded bioclastic calcarenite; and (3) dark-gray argillaceous and silicious bioclastic 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 185563: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Goniatitida - Paragastrioceratidae
? Pseudogastrioceras sp. Spath 1936 ammonite