ammonites
Chashan, Maokou Fm, Qujiang County (Permian to of China)

Where: Guangdong, China (25.0° N, 113.6° E: paleocoordinates 0.2° S, 102.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Maokou Formation, Roadian to Roadian (272.5 - 259.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: D. Yang, S. Ni, M. Chang and R. Zhao. 1977. Brachiopoda. Palaeontological Atlas of South-Central China 2:306-470 [M. Clapham/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105460: authorized by Matthew Clapham, entered by Matthew Clapham on 21.02.2011

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