Where: Hubei, China (30.6° N, 109.7° E: paleocoordinates 11.0° N, 95.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• 7.9 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black limestone and lithified, black, calcareous shale

Size class: macrofossils

Primary reference: T. E. Chen and Z. H. Sun. 1982. Discovery of Permian belemnoids in south China, with comments on the origin of Coleoidea. Acta Palaeontologica Sinica 21(2):181-190 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107744: authorized by Matthew Clapham, entered by Matthew Clapham on 14.04.2011

Creative Commons license: CC BY (attribution)