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Three-dimensional preservation of algae and animal embryos in a Neoproterozoic phosphorite
TLDR
Embryos preserved in early cleavage stages indicate that the divergence of lineages leading to bilaterians may have occurred well before their macroscopic traces or body fossils appear in the geological record.
Pulsed oxidation and biological evolution in the Ediacaran Doushantuo Formation
TLDR
High-resolution geochemical data from the fossil-rich Doushantuo Formation in South China are reported that confirm trends from other broadly equivalent sections and highlight key features that have not been observed in most sections or have received little attention.
MACROSCOPIC CARBONACEOUS COMPRESSIONS IN A TERMINAL PROTEROZOIC SHALE: A SYSTEMATIC REASSESSMENT OF THE MIAOHE BIOTA, SOUTH CHINA
Abstract Carbonaceous compression fossils in shales of the uppermost Doushantuo Formation (ca. 555–590 Ma) at Miaohe in the Yangtze Gorges area provide a rare Burgess-Shale-type taphonomic window on
Permineralized fossils from the terminal Proterozoic Doushantuo Formation, south China
Permineralized fossils of the terminal Proterozoic (600-550 Ma) Doushantuo Formation, China, provide an unusually clear window on biological diversity just before the Ediacaran radiation. In the
New constraints on the ages of Neoproterozoic glaciations in south China
The most complete Neoproterozoic successions in south China contain three diamictite intervals in the Changan, Tiesiao, and Nantuo Formations. The youngest and most widespread Nantuo glacial deposit
An early Ediacaran assemblage of macroscopic and morphologically differentiated eukaryotes
TLDR
A diverse assemblage of morphologically differentiated benthic macrofossils that were preserved largely in situ as carbonaceous compressions in black shales of the Ediacaran Lantian Formation suggests that morphological diversification of macroscopic eukaryotes may have occurred in the early Ediacaren Period, and that the redox history of Ediacaru oceans was more complex than previously thought.
PHOSPHATIZED ANIMAL EMBRYOS FROM THE NEOPROTEROZOIC DOUSHANTUO FORMATION AT WENG'AN, GUIZHOU, SOUTH CHINA
TLDR
Phosphorites of the uppermost Neoproterozoic Doushantuo Formation exposed at Weng'an, South China, contain globular microfossils characterized by distinctively sculpted outer coverings and precise patterns of cell division, which support their reinterpretation as the eggs and embryos of early animals.
High CO2 levels in the Proterozoic atmosphere estimated from analyses of individual microfossils
TLDR
The results indicate that carbon dioxide was an important greenhouse gas during periods of lower solar luminosity, probably dominating over methane after the atmosphere and hydrosphere became pervasively oxygenated between 2 and 2.2 gigayears ago.
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