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: Second Member (Baijizu Formation), Alaunian (215.6 - 212.0 Ma)
• 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: J. H. Chen and C. Z. Chen. 1980. Jianchuania, a new genus of bivalve from the Upper Triassic in Yunnan. Acta Palaeontologica Sinica 19:57-60 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 150387: authorized by Matthew Clapham, entered by Matthew Clapham on 08.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Pteria problematica n. sp." = Jianchuania problematica
"Pteria problematica n. sp." = Jianchuania problematica Chen 1976 scallop |