Where: Hunan, China (28.4° N, 109.5° E: paleocoordinates 26.3° 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 11: 74-93 m, Dorypyge richthofeni polymerid trilobite zone
• bed-level stratigraphic resolution
Environment/lithology: slope; lithified, dolomitic, argillaceous limestone 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 49159: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2005, edited by Uta Merkel
Creative Commons license: CC BY (attribution)
Taxonomic list
| Artiopoda | |
|
Ptychagnostus cuyanus Rusconi 1948
Ptychagnostus atavus Tullberg 1880 | |
|
Ammagnostus laiwuensis Lorenz 1906 | |
|
? Baltagnostus ambonus Peng and Robison 2000
Diplagnostus planicauda Angelin 1851 | |
|
Hypagnostus parvifrons Linnarsson 1869 | |
| Trilobita | |
|
Dorypyge richthofeni Dames 1883 trilobite
Dorypyge huaqiaoensis n. sp. Peng et al. 2004 trilobite | |
Fuchouia sixinensis n. sp.
Fuchouia sixinensis n. sp. Peng et al. 2004 trilobite | |
|
Changqingia intermedia Walcott 1906 trilobite | |
|
Fissanomocarella paibiensis Peng et al. 1995 trilobite
Paranomocarella sp. Yang 1977 trilobite
Paranomocarella fortis Peng et al. 1995 trilobite | |