ammonites
Yanjingxi Section, Hechuan County (Permian of China)

Where: Chongqing, China (30.0° N, 106.3° E: paleocoordinates 7.6° N, 93.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: G. Xu and R. E. Grant. 1994. Brachiopods near the Permian-Triassic boundary in South China. Smithsonian Contributions to Paleobiology 76:1-68 [D. Bottjer/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120793: authorized by Matthew Clapham, entered by Matthew Clapham on 21.11.2011

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