Where: Yunnan, China (26.4° N, 99.4° E: paleocoordinates 19.3° N, 79.8° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Baijizu Formation, Alaunian (215.6 - 212.0 Ma)
• Second member contains Alaunian ammonoids (Tibetitidae)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: macrofossils
Preservation: mold/impression
Reposited in the NIGPAS
Primary reference: H. Z. Pan. 1977. Mesozoic and Cenozoic fossil Gastropoda from Yunnan. Mesozoic Fossils from Yunnan 2:83-152 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 165419: authorized by Matthew Clapham, entered by Matthew Clapham on 19.01.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Promathildia colon Münster 1841 snail |