Shaiwa section, bed 6 (Permian of China)

Where: Guizhou, China (25.6° N, 106.2° E: paleocoordinates 8.6° S, 95.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gaijiao Member (Sidazhai Formation), Kungurian (279.3 - 272.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); lithified claystone

• Light-gray, brownish-yellow claystone, with intercalated marlstone; ammonoids collected from upper part of Bed 6

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 185577: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Agathiceratidae
Agathiceras sp. Gemmellaro 1887 ammonite
 Prolecanitida - Medlicottiidae
Propinacoceras toumanskayae Leonova 1989 ammonite
Bamyaniceras knighti Miller and Furnish 1940 ammonite
Bamyaniceras cf. spatiosum Leonova 1992 ammonite
 Prolecanitida - Pronoritidae
Parapronorites cf. rectus Leonova 1989 ammonite