Where: Gansu, China (33.9° N, 104.5° E: paleocoordinates 17.9° N, 87.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Guojiashan Formation, Anisian (247.2 - 242.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: J. Tong and D.H. Erwin. 2001. Triassic gastropods of the southern Qinling Mountains, China. Smithsonian Contributions to Paleobiology 92:1-47 [P. Wagner/P. Wagner/P. Wagner] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119265: authorized by Matthew Clapham, entered by Matthew Clapham on 22.10.2011

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