Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 1.5° N, 100.3° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Heshan Formation, Wuchiapingian (259.9 - 254.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, cherty/siliceous limestone
Size class: macrofossils
Preservation: replaced with silica
Primary reference: Z. T. Liao. 1987. Paleoecological characters and stratigraphic significance of silicified brachiopods of the Upper Permian from Heshan, Laibin, Guangxi. Stratigraphy and Palaeontology of Systemic Boundaries in China: Permian and Triassic Boundary 1:81-125 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 112401: authorized by Matthew Clapham, entered by Matthew Clapham on 11.07.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Guizhouspira gibbicircelloides n. sp., "Guizhouspira alticonica" = Ananias alticonica
Guizhouspira gibbicircelloides n. sp. Wang 1982 snail
"Guizhouspira alticonica" = Ananias alticonica Wang 1980 snail | |
Rhynchonellata | |
Notothyris minuta Waagen 1882 | |
Strophomenata | |
Orthothetina frechi Huang 1933
Orthothetina regularis Huang 1933 | |
Streptorhynchus tenuiplicatus Liao 1987 | |
Spinomarginifera jiaozishanensis Liao 1980
Spinomarginifera chengyaoyenensis Huang 1932
Spinomarginifera lopingensis Kayser 1883 |