Posts Tagged ‘Cambrian Explosion’
Giants were predators of ancient deep
YALE (US) — Fossils discovered in Morocco show that a group of prehistoric sea predators grew more than a foot longer and lived for 30 million years longer than previously thought. Continue…
Friday, May 27, 2011 9:37 - 0 Comments
Science & Technology - Nov 10, 2010 14:59 - 0 Comments
No explosion of skeletal animals
UC SANTA BARBARA (US) — New research challenges the idea that a profusion of skeletal animals appeared on earth in a short burst beginning around 542 million years ago, during a time known as the “Cambrian Explosion.” (more…)
Earth & Environment - May 13, 2010 12:13 - 0 Comments
Morocco’s swimming in ancient sea creatures
YALE (US)—Paleontologists have discovered a rich array of exceptionally preserved fossils of marine animals that lived between 480 million and 472 million years ago. The specimens are the oldest yet discovered soft-bodied fossils from the Ordovician, which was marked by intense biodiversification. (more…)
Earth & Environment - Aug 10, 2009 4:00 - 0 Comments
In African rocks, traces of evolutionary blast
UNC marine geologist Justin Ries in the Zebra River Valley, southern Namibia. The Nama Group carbonates, which contain sulfur isotopic signatures suggesting that low marine sulfate and low atmospheric oxygen conditions persisted up until the Cambrian Explosion, loom in the background. (Credit: Gordon Love)
