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 | |
Hunanohelicoprion xiandongensis Liu 1994 chimaera |