Where: Guizhou, China (26.0° N, 105.1° E: paleocoordinates 4.2° N, 95.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Changxing Formation, Changhsingian (254.0 - 252.3 Ma)

• Yu & Xi state that specimen collected from Longtan Formation, but Wang & Xi provide more precise information and list Changxing Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: W. Yu and Y. H. Xi. 1974. Permian gastropods. Handbook of the Stratigraphy and Paleontology of Southwest China 300-302 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98072: authorized by Matthew Clapham, entered by Matthew Clapham on 18.09.2010

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)