Brain-First Hypothesis: Rethinking the Cambrian Explosion
The evolution of the brain may have been the primary engine behind the Cambrian Explosion. The "Brain-First Hypothesis" suggests that increasing ecological pressure for sensory pro...
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The evolution of the brain may have been the primary engine behind the Cambrian Explosion. The "Brain-First Hypothesis" suggests that increasing ecological pressure for sensory pro...
For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ago when a remarkable diversity of animal life appeared i...
A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that life suddenly diversified during the Cambrian explosion
Over some prior posts (see here and here), I’ve been discussing a new paper in Science which claims to reveal Precambrian fossils from the Ediacaran period in China that represent...
A treasure trove of fossils from China shows that the Cambrian explosion may have been less explosive than scientists once believed
Learn how newly discovered Ediacaran fossils are pushing the origins of animals back millions of years before the Cambrian explosion.
More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a myriad of marine animals, many of which have now becom...
A newly discovered fossil site in southwest China has transformed our understanding of how complex animal life emerged on Earth, revealing that many key animal groups had already e...
Collection of fossils includes Ediacaran, Cambrian species, suggesting a transition.
Learn how a 500-million-year-old arthropod fossil from Québec is helping scientists rethink the Furongian gap and the hidden diversity of late Cambrian life.
Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatur...
From butterflies to blue whales, corals and worms, Earth is home to an incredible diversity of animals. How all of these animals evolved from earlier, simpler ancestors is one of t...
Scientists have discovered fossils showing that complex animals existed millions of years before the Cambrian explosion, reshaping the timeline of life on Earth. The finds reveal a...
I suspect the bilaterian nature of this “most numerous” fossil will be challenged as more studies come out. Source
By Mindy Weisberger, CNN (CNN) — Goblet-shaped sea jelly relatives with miniature “arms.” A plump, legless creature resembling a sausage. Long, wormlike animals tipped with flat “h...
Seven little worms, none more than a few millimeters long, were picked from acid-dissolved rock in southern Shaanxi Province over the course of painstaking residue-hunting. They do...
Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatur...
Stored in an open-air warehouse in tropical Darwin, Australia, are dozens of trays containing cylindrical cores of rock. They are from drill holes bored hundreds of meters below th...
New trove of fossils reveals that ancestral animals likely emerged in the deep sea
Advances in imaging techniques reportedly debunks a purported "animal" fossil from long before the Cambrian explosion.
Animal life is extraordinarily diverse and complex, having colonized almost all environments on Earth—from hostile hydrothermal vents in the deep sea to the skies across our contin...
When it comes to evolution, a few million years can really matter.
New research published in BMC Biology helps to fill in questions about the so-called "Furongian gap" from about 497 million to 485 million years ago, when paleontologists previousl...
Scientists have uncovered the earliest fossil evidence of annelids (ringed worms) in Cambrian microfossils dating back approximately 535 million years ago. This discovery offers fr...
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