ammonites
banner
Gateway to the Paleobiology Database
Tongguan West, Lower Dingjiashan Fm, Jiande County (Permian of China)

Where: Zhejiang, China (29.5° N, 119.2° E: paleocoordinates 5.0° N, 100.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dingjiashan Formation, Roadian (272.5 - 268.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: J. K. Zhao and Z. G. Zheng. 1977. The Permian ammonoids from Zhejiang and Jiangxi. Acta Palaeontologica Sinica 16:217-252 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101622: authorized by Matthew Clapham, entered by Matthew Clapham on 25.12.2010

Creative Commons license: CC BY (attribution)