Where: Guizhou, China (26.7° N, 105.3° E: paleocoordinates 5.5° N, 94.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: mold/impression

Primary reference: Z. G. Zheng. 1984. Late Permian nautiloids from western Guizhou. Acta Palaeontologica Sinica 23:239-252 [M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 121699: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2011

Creative Commons license: CC BY (attribution)