- 查看更多前往 Wikipedia 查看全部内容
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 … 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 …
Ediacaran biota - Wikipedia
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 (1). This evolutionary milestone occurred in the aftermath of extreme climate …
The Avalon Explosion: Evolution of Ediacara …
2008年1月4日 · Ediacara fossils [575 to 542 million years ago (Ma)] represent Earth's oldest known complex macroscopic life forms, but their morphological history is poorly understood.
Ediacara fauna | Definition, Biota, and Facts | Britannica
2024年10月22日 · Ediacara fauna, unique assemblage of soft-bodied organisms preserved worldwide as fossil impressions in sandstone from the Ediacaran Period (approximately 635 million to 541 million years ago)—the final …
The Ediacaran Period - University of California Museum of …
Ediacaran life on land | Nature
2012年12月12日 · Ediacaran (635–542 million years ago) fossils have been regarded as early animal ancestors of the Cambrian evolutionary explosion of marine invertebrate phyla 1, as giant marine protists 2 and as lichenized fungi 3.
On the eve of animal radiation: phylogeny, ecology and evolution …
Ancient steroids establish the Ediacaran fossil - Science …
2018年9月21日 · The enigmatic Ediacara biota (571 million to 541 million years ago) represents the first macroscopic complex organisms in the geological record and may hold the key to our understanding of the origin of animals.
- 某些结果已被删除