Shaiwa section, beds 22-21 (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 dolomite

• Gray, massive, medium-grained dolomite, many chert bands, with a layer of dolomitized limestone breccia in upper 5 m

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 185569: authorized by Matthew Clapham, entered by Matthew Clapham on 29.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Fusulinoidea - Neoschwagerinidae
Afghanella sp. Thompson 1946
Sumatrina sp. Volz 1904
 Fusulinoidea - Schwagerinidae
Parafusulina yabei Hanzawa 1942
 Fusulinoidea - Verbeekinidae
Verbeekina sp., "Pseudodoliolina chinghaiensis" = Pseudodoliolina oliviformis
Verbeekina sp. Staff 1909
"Pseudodoliolina chinghaiensis" = Pseudodoliolina oliviformis Thompson et al. 1950