Where: Sichuan, China (28.0° N, 104.8° E: paleocoordinates 1.9° S, 94.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Maokou Formation, Capitanian (264.3 - 259.5 Ma)

• Uppermost part of the Maokou Formation

• bed-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by Geologic Survey Team of Sichuan Coalfield Geologic Exploration Corporation in 1979

• Repository: Sichuan Province Coalfield Geological Company

Primary reference: Y. T. Pan and Y. C. Zhang. 1983. Heteronodosus, a new genus of Gastropoda from Lower Permian of Sichuan. Acta Palaeontologica Sinica 22:593-595 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 150593: authorized by Matthew Clapham, entered by Matthew Clapham on 11.09.2013

Creative Commons license: CC BY (attribution)