Where: Hunan, China (28.7° N, 110.0° E: paleocoordinates 25.8° N, 154.9° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Ptychagnostus atavus trilobite zone, Huaqiao Formation, Taijangian (509.0 - 504.5 Ma)
• bed 9 (33-36.4m), Dorypyge richthofeni polymerid trilobite zone, Upper Taijiangian, Lower Drumian
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified grainstone and lithified packstone
Size class: macrofossils
Primary reference: S. Peng and R. A. Robison. 2000. Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China. Journal of Paleontology Memoir 53 [A. Miller/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 49271: authorized by Austin Hendy, entered by Austin Hendy on 12.04.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Ptychagnostus atavus Tullberg 1880 |