Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 5.3° N, 99.3° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Heshan Formation, Changhsingian (254.2 - 252.2 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 112431: authorized by Matthew Clapham, entered by Matthew Clapham on 11.07.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Strophomenata | |
|
Tyloplecta yangtzeensis Chao 1927 | |
|
Oldhamina sp. Waagen 1883
Leptodus nobilis Waagen 1883 | |
|
Streptorhynchus sp. King 1850 | |
|
Perigeyerella costellata Wang 1955 | |
| Rhynchonellata | |
|
Squamularia sp. Gemmellaro 1899 | |
|
Acosarina sp. Cooper and Grant 1969 | |