A key piece in the puzzle of the evolution of vertebrates has been identified, after the discovery of fossilised fish specimens, dating from the Cambrian period (around 505 million years old), in the Canadian Rockies. The ...
Archaeology
Jun 11, 2014
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The Cambrian Period is a time when most phyla of marine invertebrates first appeared in the fossil record. Also dubbed the "Cambrian explosion," fossilized records from this time provide glimpses into evolutionary biology ...
Archaeology
Apr 10, 2014
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The animals lived 520 million years ago during the Early Cambrian, a period known as the 'Cambrian Explosion' in which all the major animal groups and complex ecosystems suddenly appeared. Tamisiocaris belongs to a group ...
Archaeology
Mar 26, 2014
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(Phys.org) —A trio of researchers—two from Cambridge University and one from the Chinese Academy of Sciences, has found evidence that suggests that the earliest trilobites were able to roll up their bodies for protection, ...
The explosion of animal life on Earth around 520 million years ago was the result of a combination of interlinked factors rather than a single underlying cause, according to a new study.
Earth Sciences
Sep 19, 2013
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A new study led by Adelaide researchers has estimated, for the first time, the rates of evolution during the "Cambrian explosion" when most modern animal groups appeared between 540 and 520 million years ago.
Evolution
Sep 12, 2013
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(Phys.org) —A science team that includes researchers from Scripps Institution of Oceanography at UC San Diego has linked increasing oxygen levels and the rise and evolution of carnivores (meat eaters) as the force behind ...
Earth Sciences
Jul 31, 2013
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A scientist has discovered an ancient extinct creature with 'scissor hand-like' claws in fossil records and has named it in honour of his favourite movie star.
Archaeology
May 16, 2013
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Christopher Cameron of the University of Montreal's Department of Biological Sciences and his colleagues have unearthed a major scientific discovery - a strange phallus-shaped creature they found in Canada's Burgess Shale ...
Archaeology
Mar 13, 2013
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(Phys.org)—Researchers at Western University have discovered where the equator was "precisely located" 450 million years ago, which is an important breakthrough for paleontologists and planetary scientists, as well as private ...
Earth Sciences
Dec 17, 2012
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