Haizhao village, Tujie district, Weining county (Permian of China)

Where: Guizhou, China (27.2° N, 104.2° E: paleocoordinates 4.4° S, 94.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Maokou Formation, Guadalupian (273.0 - 259.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: G. F. Cheng, S. Y. Mu, G. Z. Yin and G.B. Liu. 2004. The helicoprionid fossil from Lower Permian Maokou Stage in Weining, Guizhou province. Acta Geoscientia Sinica 24:443-445 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118031: authorized by Matthew Clapham, entered by Matthew Clapham on 04.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Eugeneodontiformes - Helicampodontidae