- Ediacaran Period, the uppermost division of the Proterozoic Eon of Precambrian time, extending from approximately 635 million years ago to 541 million years ago.了解详细信息：Ediacaran Period, the uppermost division of the Proterozoic Eon of Precambrian time, extending from approximately 635 million years ago to 541 million years ago.www.britannica.com/science/Ediacaran-PeriodThe Ediacaran ( / ˌiːdiˈækərən, ˌɛdi -/ EE-dee-AK-ər-ən, ED-ee-) [3] is a geological period of the Neoproterozoic Era that spans 96 million years from the end of the Cryogenian Period at 635 Mya to...en.wikipedia.org/wiki/EdiacaranThe Ediacaran Period is an interval of geological time ranging 635 to 541 million years ago.www.ediacaran.org/the-ediacaran-period.htmlThe Ediacaran is dated between 635 and 540 million years ago.scienceline.org/2014/03/creatures-of-the-ediacaran/The Ediacaran period, from 635 million to 541 million years ago, was a time of immense geological and evolutionary change.www.palaeontologyonline.com/articles/2017/fossil-f…
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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 Proterozoic Eon as well as the last of the so-called "Precambrian supereon", before the beginning … 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
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 … 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 …
埃迪卡拉纪 - 维基百科，自由的百科全书
The tempo of Ediacaran evolution | Science Advances
2021年11月3日 · The Ediacaran Period [635 to 539 million years (Ma) ago] is a pivotal period in Earth history, archiving the rise of complex macroscopic life . This evolutionary milestone occurred in the aftermath of extreme climate …
The Ediacaran Period - University of California Museum of …
However, in the latest Proterozoic — a time period now called the Ediacaran, or the Vendian, and lasting from about 635 to 542 million years ago* — macroscopic fossils of soft-bodied …
震旦纪 - 百度百科
震旦纪（Sinian Period，距今约8亿年～距今约5.7亿年），又称 埃迪卡拉纪 （Ediacaran），或文德纪（Vendian）和 新元古代III （Neoproterozoic）（几个时期不完全重合），是元古宙最后的一段时期，一般指9亿年~6亿年前。
Ediacaran biota - Wikipedia
The Ediacaran (/ ˌ iː d i ˈ æ k ər ə n /; formerly Vendian) biota is a taxonomic period classification that consists of all life forms that were present on Earth during the Ediacaran Period (c. 635–538.8 Mya). These were enigmatic …
埃迪卡拉生物群 - 维基百科，自由的百科全书
埃迪卡拉生物群（英語： Ediacaran biota ）又稱艾迪卡拉生物群 [1] ，是一群神秘的盤狀、管状、叶状或袋狀形态的前寒武纪 生物，生活在元古宙末期的埃迪卡拉紀（5億8000萬年前~5億4200萬年前）。
[PDF] Towards an ediacaran time scale: Problems, …
2016年12月1日 · Hence, a good Ediacaran time scale is essential, not only to elucidate geological time, but also to provide a temporal context for extreme climatic events and transformative evolutionary transitions. Ediacaran fossils …
The Calibration of Ediacaran Time | Science - AAAS
2005年4月1日 · Through precise radiometric clocks and clever stratigraphic connections, geoscientists can increasingly correlate Ediacaran sediments that are separated widely in …
