Sidazhai section, KTP5-12 (Permian to of China)

Where: Guizhou, China (25.6° N, 106.2° E: paleocoordinates 3.5° S, 97.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: 2 Member (Shaiwa Formation), Wordian to Wordian (268.8 - 259.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified claystone

• Lower part consists of interbedded medium- to thick-bedded siltite or fine-grained sandstone and thin-bedded claystone, debris consisting of eruptive basaltic rock detritus; middle part consists of gray, medium- to thick-bedded, fine-grained feldspathic arenite; upper part consists of rhythmite between dark-gray, medium- to thin-bedded, fine-grained sandstone and thin-bedded claystone.

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 185564: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Paraceltitidae
? Cibolites sp. Plummer and Scott 1937 ceratite