Shiwangzhuang Formation
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Geologic formation in China
| Shiwangzhuang Formation | |
|---|---|
| Stratigraphic range: 910–720 Ma | |
| Type | Formation |
| Unit of | Tumen Group |
| Underlies | Fulaishan Formation |
| Overlies | Wushan Formation |
| Location | |
| Country | China |
The Shiwangzhuang Formation is a geologic formation in China. It preserves eukaryotic fossils dating back to the Tonian period, around 900-800 Ma.
After Li et al, 2020,[1] Han et al, 2021[2] and others.[3][4]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Paleobiota | ||||
|---|---|---|---|---|
| Genus | Species | Notes | Images | |
| Anqiutrichoides |
|
Filamentous fossil, bears similarities to Eosolenides and Protoarenicola. | ||
| Eosolena |
|
Filamentous fossil, member of Eosolenides | ||
| Protoarenicola |
|
Annulated algal fossil, member of the Huainan biota. | ||
| Pararenicola |
|
Annulated algal fossil, member of the Huainan biota. | ||
| Sinosabellidites |
|
Annulated algal fossil, member of the Huainan biota. | ||
| Longfengshania |
|
Frondose alga, sometimes synonymised with Tawuia. | ||
| Arctacellularia |
|
Microscopic algae[5] | ||
| Tawuia |
|
Enigmatic eukaryote |  | |
| Horodyskia |
|
Enigmatic eukaryote | ||
| Chuaria |
|
Enigmatic eukaryote | ||
| Vendotaenia |
|
Vendotaenid: enigmatic eukaryote? | ||
| ?Jacutianema |
|
Enigmatic eukaryote, assignment to genus dubious | ||
| Glomulus |
|
Cyanobacteria | ||
| Mucoplagum |
|
Cyanobacteria | ||
| Siphonophycus |
|
Cyanobacteria | ||
| Navifusa |
|
Cyanobacteria | ||
| Leiosphaeridia |
|
Acritarch | ||
| Simia |
|
Acritarch | ||
| Ostiana |
|
Colonial acritarch | ||
| Synsphaeridium |
|
Colonial acritarch | ||
| Polysphaeroides |
|
Filamentous acritarch | ||
| Pellicularia |
|
Filamentous acritarch | ||
| Polythrichoides |
|
Filamentous acritarch | ||
References
- ↑ Li, Guangjin; Chen, Lei; Pang, Ke; Zhou, Guangzhao; Han, Chunmei; Yang, Le; Lv, Weiguo; Wu, Chengxi; Wang, Wei; Yang, Fengjie (August 2020). "An assemblage of macroscopic and diversified carbonaceous compression fossils from the Tonian Shiwangzhuang Formation in western Shandong, North China". Precambrian Research. 346 105801. doi:10.1016/j.precamres.2020.105801.
- ↑ Han, Chun-Mei; Chen, Lei; Li, Guang-Jin; Pang, Ke; Wang, Wei; Zhou, Guang-Zhao; Yang, Le; Lyu, Wei-Guo; Wang, Kai; Zhong, Zhen-Hua; Wu, Cheng-Xi; Yang, Feng-Jie (June 2021). "First record of organic-walled microfossils from the Tonian Shiwangzhuang Formation of the Tumen Group in western Shandong, North China". Palaeoworld. 30 (2): 208–219. doi:10.1016/j.palwor.2020.06.007.
- ↑ Li, Guang-Jin; Chen, Lei; Pang, Ke; Tang, Qing; Wu, Cheng-Xi; Huang, Rui; Qiu, Ming-Yang; Yuan, Xun-Lai; Zhou, Chuan-Ming (October 2024). "Macroalgal fossil Longfengshania from the Tonian Shiwangzhuang and Jiuliqiao formations in western Shandong and northern Anhui, North China". Palaeoworld. 33 (5): 1153–1169. doi:10.1016/j.palwor.2023.09.009.
- ↑ Li, Guangjin; Chen, Lei; Pang, Ke; Tang, Qing; Wu, Chengxi; Yuan, Xunlai; Zhou, Chuanming; Xiao, Shuhai (12 April 2023). "Tonian carbonaceous compressions indicate that Horodyskia is one of the oldest multicellular and coenocytic macro-organisms". Communications Biology. 6 (1). doi:10.1038/s42003-023-04740-2. PMC 10097871.
- ↑ Sforna, Marie Catherine; Loron, Corentin C.; Demoulin, Catherine F.; François, Camille; Cornet, Yohan; Lara, Yannick J.; Grolimund, Daniel; Ferreira Sanchez, Dario; Medjoubi, Kadda; Somogyi, Andrea; Addad, Ahmed; Fadel, Alexandre; Compère, Philippe; Baudet, Daniel; Brocks, Jochen J.; Javaux, Emmanuelle J. (10 January 2022). "Intracellular bound chlorophyll residues identify 1 Gyr-old fossils as eukaryotic algae". Nature Communications. 13 (1). doi:10.1038/s41467-021-27810-7. PMC 8748435.