Sanjiezi: Stage 3, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Scleroctenophora
|
|||||||
|
Batofasciculus ramificans
Hou et al. 1999
|
|||||||
|
Thaumactena ensis
Ou et al. 2015
|
|||||||
|
Gemmactena actinala
Ou et al. 2015
|
|||||||
|
Trigoides aclis
Luo et al. 1999
|
|||||||
|
Maotianoascus octonarius
Chen and Zhou 1997
|
|||||||
|
Terebellida
|
|||||||
|
Iotuba chengjiangensis
Zhang et al. 2023
|
Zhang et al. 2023 | ||||||
| see common names | |||||||
Geography
| Country: | China | State/province: | Yunnan | County: | Jinning, Kunming |
| Coordinates: | 24.7° North, 102.5° East (view map) | ||||
| Paleocoordinates: | 35.2° North, 161.1° East |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| Stage: | Stage 3 | 10 m.y. bin: | Cambrian 2 |
| Key time interval: | Stage 3 | Trilobite zone: | Eoredlichia-Wutingaspis |
| Age range of interval: | 521 - 514 m.y. ago |
Lithology and environment
| Primary lithology: | gray,yellow mudstone |
| Includes fossils? | Y |
| Environment: | deltaic indet. |
Taphonomy
| Modes of preservation: | adpression,replaced with limonite,replaced with carbon |
| Lagerst�tten type: | conservation |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: " Specimens are reposited in the Early Life Evolutionary Laboratory at China University of Geosciences
(prefix ELEL-), Early Life Institute at Northwest University (prefix ELI-), Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences (prefixes NIGP- and ELRC-), Research Center for Chengjiang Biota at Yunnan University (prefix RCCBYU-), and Yunnan Institute of Geological Science (prefix YDKS-)." | |
Metadata
| Database number: | 225155 | ||
| Authorizer: | V. Syverson, P. Novack-Gottshall | Enterer: | V. Syverson, P. Novack-Gottshall |
| Modifier: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2022-04-27 18:26:36 | Last modified: | 2024-07-23 07:25:59 |
| Access level: | the public | Released: | 2022-04-27 18:26:36 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 81494. | Q. Ou, S. Xiao, J. Han, G. Sun, F. Zhang, Z. Zhang, and D. Shu. 2015. A vanished history of skeletonization in Cambrian comb jellies. Science Advances 1(6) [V. Syverson/V. Syverson] |
Secondary references:
| 88847 | Z.F. Zhang, M. R. Smith, and X.Y. Ren. 2023. The Cambrian cirratuliform Iotuba denotes an early annelid radiation. Proceedings of the Royal Society B: Biological Sciences 290(1992):20222014 [D. Segessenman/I. Goñi/P. Novack-Gottshall] |