Where: Chongqing, China (30.3° N, 106.9° E: paleocoordinates 9.2° N, 93.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Changxing Formation, Changhsingian (254.2 - 252.2 Ma)
• Unit is 18.21 m thick, but includes several samples.
• bed-level stratigraphic resolution
Environment/lithology: lithified, dolomitic, black, gray, cherty/siliceous limestone
Size class: macrofossils
Collection methods: peel or thin section,
Primary reference: J. Z. Yang and L. H. Lu. 1980. Upper Permian bryozoans from eastern Sichuan and western Guizhou. Acta Palaeontologica Sinica 19:461-474 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 121021: authorized by Matthew Clapham, entered by Matthew Clapham on 25.11.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Polypora sichuanensis n. sp.
Polypora sichuanensis n. sp. Yang and Lu 1980 |