Chuanlinggou Formation

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Chuanlinggou Formation
Stratigraphic range: 1641.7 ± 1.2 Ma[1]
TypeFormation
UnderliesTuanshanzi Formation
OverliesChangzhougou Formation
Location
CountryChina

The Chuanlinggou Formation is a geologic formation in China. It preserves fossils dating back to the Statherian period of the Paleoproterozoic. It is the first formation to preserve definitive macroscopic eukaryotes, at 1.64 billion years old.[2][3]

Paleobiota

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After Miao et al, 2024,[3] Liu et al, 2023[2] and Zhongying 1986[4]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Paleobiota

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Paleobiota
Genus Species Notes Images
Qingshania
  • Q. magnifica
 Enigmatic filamentous eukaryote
Tuanshanzia
  • T. sp
 Enigmatic frond-like organism; possibly within Archaeplastida
Tuanshanzia fasciaria
A restoration of Tuanshanzia fasciaria
Changchengia
  • C. sp
 Enigmatic frond-like organism, possibly within Archaeplastida
Changchengia sp.
A restoration of Changchengia sp.
Glossophyton
  • G. ovalis
  • G. sp
 Enigmatic fossil, possibly an alga
Chuaria
  • C. circularis
 Enigmatic fossil, possibly synonymous with Tawuia
Tawuia
  • T. sinensis
  • T. robusta
 Enigmatic fossil, possibly an alga
Tawuia sinensis
A restoration of Tawuia sinensis
Siphonophycus
  • S. sp
 Filamentous fossil
Eomycetopsis
  • E. sp
 Filamentous fossil
Archaeotrichion
  • A. sp
 Filamentous fossil
Leiosphaeridia
  • L. sp
 Acritarch
Kildinosphaera
  • K. sp
 Acritarch

References

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  1. ^ Zhang, Shuan‐Hong; Kamo, Sandra L.; Ernst, Richard E.; Hu, Guo‐Hui; Zhang, Qi‐Qi; El Bilali, Hafida; Zhao, Yue (28 September 2024). "First High‐Precision U–Pb CA–ID–TIMS Age of the Chuanlinggou Formation, North China Craton: Implications for Global Correlations of Black Shales and the Statherian/Calymmian Boundary". Geophysical Research Letters. 51 (18). doi:10.1029/2024GL109457.
  2. ^ a b Liu, Jingqi; Zhang, Yang; Shi, Xiaoying; Chen, Anfeng; Tang, Dongjie; Yang, Tinglu (November 2023). "Macroscopic fossils from the Chuanlinggou Formation of North China: evidence for an earlier origin of multicellular algae in the late Palaeoproterozoic". Palaeontology. 66 (6). doi:10.1111/pala.12685.
  3. ^ a b Miao, Lanyun; Yin, Zongjun; Knoll, Andrew H.; Qu, Yuangao; Zhu, Maoyan (26 January 2024). "1.63-billion-year-old multicellular eukaryotes from the Chuanlinggou Formation in North China". Science Advances. 10 (4). doi:10.1126/sciadv.adk3208. PMC 10807817.
  4. ^ Zhongying, Zhang (1 December 1986). "Clastic facies microfossils from the Chuanlinggou Formation (1800 Ma) near Jixian, North China". Journal of Micropalaeontology. 5 (2): 9–16. doi:10.1144/jm.5.2.9.