Where: Chongqing, China (30.3° N, 106.9° E: paleocoordinates 5.2° N, 94.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Longtan Formation, Wuchiapingian (259.9 - 254.2 Ma)

• 4.31 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, green shale

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: J. Z. Yang and L. H. Lu. 1980. Upper Permian bryozoans from eastern Sichuan and western Guizhou. Acta Palaeontologica Sinica 19:461-474 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121025: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2011

Creative Commons license: CC BY (attribution)