The 12 Strangest Animals of the Cambrian Period - ThoughtCo
2019年1月24日 · The invertebrates of the Cambrian period, over 500 million years ago, were some of the most odd-looking animals on Earth. This gallery of Cambrian fauna ranges from the aptly named Hallucigenia to the even more strange-looking Aysheaia.
Cambrian explosion - Wikipedia
The Cambrian explosion (also known as Cambrian radiation[1] or Cambrian diversification) is an interval of time beginning approximately 538.8 million years ago in the Cambrian period of the early Paleozoic, when a sudden radiation of complex life occurred and practically all major animal phyla started appearing in the fossil record. [2][3][4] It...
Cambrian explosion | Evolution, Paleontology & Geology
2024年11月6日 · Cambrian explosion, the unparalleled emergence of organisms between 541 million and approximately 530 million years ago at the beginning of the Cambrian Period. The event was characterized by the appearance of many of the major phyla (between 20 and 35) that make up modern animal life.
Cambrian Period & Cambrian Explosion: Facts & Information - Live Science
2016年5月27日 · The Cambrian Explosion was a dramatic burst of evolutionary changes in life on Earth. During the Cambrian Period, which began about 540 million years, trilobites were the dominant species.
What Sparked the Cambrian Explosion? | Scientific American
2016年2月16日 · The Cambrian explosion, as it is called, produced arthropods with legs and compound eyes, worms with feathery gills and swift predators that could crush prey in tooth-rimmed jaws. Biologists...
Cambrian Period | National Geographic
The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with...
What sparked the Cambrian explosion? | Nature
2016年2月16日 · The Cambrian explosion, as it is called, produced arthropods with legs and compound eyes, worms with feathery gills and swift predators that could crush prey in tooth-rimmed jaws.
Cambrian Period - Natural History Museum
2012年10月28日 · The animals (metazoans) of the Cambrian Explosion were organized into a unique marine Cambrian fauna, one of three recognized marine fauna of the Phanerozoic. This faunal ecosystem was mostly deposit feeders with nearly all animals living near the surface of …
The Cambrian explosion - Understanding Evolution
Around 530 million years ago, a wide variety of animals burst onto the evolutionary scene in an event known as the Cambrian explosion. In perhaps as few as 10 million years, marine animals evolved most of the basic body forms that we observe in modern groups.
27.4B: The Cambrian Explosion of Animal Life - Biology LibreTexts
2024年11月23日 · The Cambrian Explosion of Animal Life. The Cambrian period, occurring between approximately 542–488 million years ago, marks the most rapid evolution of new animal phyla and animal diversity in earth’s history.
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