Shaiwa section, beds 25-23 (Permian of China)

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

• Gray, medium- to thick-bedded, calcarenite, micrite debris with Bouma sequence, interbedded with thin-bedded siliceous rock.

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

Fusulinina
 Fusulinoidea - Neoschwagerinidae
 Fusulinoidea - Schwagerinidae
 Fusulinoidea - Verbeekinidae