Where: Guizhou, China (27.7° N, 106.7° E: paleocoordinates 29.9° N, 158.8° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Niutitang Formation, Nangaoian (521.0 - 514.0 Ma)
• units 4-7, Lower Niutitang Formation
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified, black mudstone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: J. Peng, J. L. Yuan, Y. L. Zhao and R. J. Yang. 2004. Discovery of trilobite genus Zhenbaspis from the Lower Cambrian Niutitang biota at Heishapo, Songlin, Zunyi, Guizhou, China. Acta Palaeontologica Sinica 43(3):407-415 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 128419: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.06.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Polychaeta | |
|
Sphenothallus sp. Hall 1847 | |
| Artiopoda | |
"? Mianxiandiscus sp." = Tsunyidiscus
"? Mianxiandiscus sp." = Tsunyidiscus Chang 1966 | |
| Trilobita | |
|
Zhenbaspis sp. Zhang and Zhu 1974 trilobite
Zhenbaspis subconica Zhang 1974 trilobite
Runnania similis Lee 1978 trilobite | |
| Hexactinellida | |
|
Saetaspongia densa Mehl and Reitner 1993 glass sponge | |
| Demospongiae | |
|
Leptomitus teretiusculus Chen et al. 1989 demosponge | |
|
Choia zunyiensis demosponge | |