Where: Anhui, China (30.9° N, 118.3° E: paleocoordinates 11.5° N, 101.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wujiaping Formation, Wuchiapingian (259.0 - 254.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: mold/impression

Primary reference: P. X. Guo. 1988. Late Permian ammonoids from lower Yangtze area and their palaeoecological significance. Acta Palaeontologica Sinica 27:390-397 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 109621: authorized by Matthew Clapham, entered by Matthew Clapham on 18.05.2011

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