Where: Fujian, China (26.0° N, 117.2° E: paleocoordinates 12.2° N, 103.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Yanshi Formation, Changhsingian (254.2 - 252.2 Ma)

• 12.7 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, yellow, calcareous siltstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: M. Q. Wang. 1990. Late Permian and early Early Triassic ammonoid fauna of Fenghai, Yong'an, Fujian and their stratigraphic significance. Acta Palaeontologica Sinica 29:755-773 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95507: authorized by Matthew Clapham, entered by Matthew Clapham on 16.04.2010

Creative Commons license: CC BY (attribution)