Gaoyuzhuang Formation

Gaoyuzhuang Formation
Gaoyuzhuang Formation
Stratigraphic range: 1588.8±6.5 Ma
Type	Formation
Underlies	Yangzhuang Formation
Overlies	Dahongyu Formation
Thickness	~1800 m
Location
Country	China

The Gaoyuzhuang Formation is a geologic formation in China. It preserves fossils dating back to the Calymmian period of the Mesoproterozoic. It is one of the first formations to preserve definitive macroscopic eukaryotes, at almost 1.6 billion years old.^[2]

Paleobiota

After Chen et al., 2023^[2]

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

Paleobiota
Genus	Species	Notes
Grandilingulata	G. qianxiensis	Enigmatic frond-like organism
Tuanshanzia	T. linearis T. parva T. fasciata	Enigmatic frond-like organism; possibly within Archaeplastida
Proterotainia	P. sp	Enigmatic filamentous organism, possibly within Vendotaenida.

References

^ Chen, Kai; Yang, Chuan; Miao, Lanyun; Zhao, Fangchen; Zhu, Maoyan (2024). "New SIMS U–Pb zircon age on the macroscopic multicellular eukaryotes from the early Mesoproterozoic Gaoyuzhuang Formation, North China". Geological Magazine. 161. doi:10.1017/S0016756824000220.
^ ^a ^b Chen, Kai; Miao, Lanyun; Zhao, Fangchen; Zhu, Maoyan (July 2023). "Carbonaceous macrofossils from the early Mesoproterozoic Gaoyuzhuang Formation in the Yanshan Range, North China". Precambrian Research. 392: 107074. doi:10.1016/j.precamres.2023.107074.

[1] Chen, Kai; Yang, Chuan; Miao, Lanyun; Zhao, Fangchen; Zhu, Maoyan (2024). "New SIMS U–Pb zircon age on the macroscopic multicellular eukaryotes from the early Mesoproterozoic Gaoyuzhuang Formation, North China". Geological Magazine. 161. doi:10.1017/S0016756824000220.

[tuanshan-2] Chen, Kai; Miao, Lanyun; Zhao, Fangchen; Zhu, Maoyan (July 2023). "Carbonaceous macrofossils from the early Mesoproterozoic Gaoyuzhuang Formation in the Yanshan Range, North China". Precambrian Research. 392: 107074. doi:10.1016/j.precamres.2023.107074.

[1]

[2]