- 96 million yearsThe Ediacaran (/ ˌiːdiˈækərən, ˌɛdi -/ EE-dee-AK-ər-ən, ED-ee-) is a geological period of the Neoproterozoic Era that spans 96 million years from the end of the Cryogenian Period at 635 Mya to the beginning of the Cambrian Period at 538.8 Mya.en.wikipedia.org/wiki/Ediacaran
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Ediacaran - Wikipedia
The Ediacaran Period (c. 635–538.8 Mya) represents the time from the end of global Marinoan glaciation to the first appearance worldwide of somewhat complicated trace fossils (Treptichnus pedum (Seilacher, 1955)). Although the Ediacaran Period does contain soft-bodied fossils, it is unusual in comparison to later periods … 展开
The Ediacaran is a geological period of the Neoproterozoic Era that spans 96 million years from the end of the Cryogenian Period at 635 Mya to the beginning of the Cambrian Period at 538.8 Mya. It is the last period of the 展开
The Ediacaran Period overlaps but is shorter than the Vendian Period (650 to 543 million years ago), a name that was earlier, in 1952, proposed … 展开
The Ediacaran Period is not yet formally subdivided, but a proposed scheme recognises an Upper Ediacaran whose base corresponds with the 展开
The fossil record from the Ediacaran Period is sparse, as more easily fossilized hard-shelled animals had yet to evolve. The Ediacaran biota include the oldest definite multicellular organisms (with specialized tissues), the most common types of which resemble … 展开
CC-BY-SA 许可证中的维基百科文本 Ediacaran Period | Definition, Biota, and Facts | Britannica
2016年11月8日 · Ediacaran Period, the uppermost division of the Proterozoic Eon of Precambrian time, extending from approximately 635 million years ago to …
The tempo of Ediacaran evolution | Science Advances
2021年11月3日 · Independent of the drivers and global nature of the Ediacaran CIEs, the direct dates for Ediacaran fossil assemblages are a prerequisite for calibrating biostratigraphic records and improving the accuracy of molecular …
The Ediacaran Period - University of California Museum of …
Chronology of Ediacaran sedimentary and biogeochemical shifts …
The tempo of Ediacaran evolution - PMC - National Center for ...
The advent of animals: The view from the Ediacaran | PNAS
Ediacaran life on land | Nature
2012年12月12日 · Ediacaran fossils —542 to 635 million years old — occur worldwide in a variety of sedimentary deposits, generally interpreted as shallow to deep marine origin.
A diverse Ediacara assemblage survived under low-oxygen …
(PDF) The tempo of Ediacaran evolution - ResearchGate
2021年11月3日 · These new dates and integrated global correlations demonstrate that late Ediacaran strata of South China are time transgressive and that the 575-to 550-Ma interval is marked by two large...
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