News articles tagged with 'Cambrian'
Scientists decipher 3 billion-year-old genomic fossils
— 19 Dec 2010 23:17 | Geology and palaeontologyAbout 580 million years ago, life on Earth began a rapid period of change called the Cambrian Explosion, a period defined by the birth of new life forms over many millions of years…
New time line for appearances of skeletal animals in fossil record developed by UCSB researchers
— 11 Nov 2010 11:44 | Geology and palaeontologyBeginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time that it is…
Earth's first great predator wasn't
— 2 Nov 2010 12:51 | Geology and palaeontologyThe metres-long, carnivorous 'shrimp' from hell that once ruled the seas of Earth a half billion years ago may have been a real softy, it turns out. A new 3-D modelling of the mouth…
Gondwana supercontinent underwent massive shift during Cambrian explosion
— 11 Aug 2010 08:57 | Geology and palaeontologyThe Gondwana supercontinent underwent a 60-degree rotation across Earth's surface during the Early Cambrian period, according to new evidence uncovered by a team of Yale University…
Ordovician faunas of Burgess Shale type
— 12 May 2010 17:00 | Geology and palaeontologyDiverse soft-bodied Burgess Shale-like creatures may have persisted beyond the Cambrian period, according to a new study entitled 'Ordovician faunas of Burgess Shale type.' It is published…
Geologist analyses earliest shell-covered fossil animals
— 26 Oct 2009 16:41 | Geology and palaeontologyThe fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimetres in length and date to about 520 million years ago, provide a window…
Origin of claws seen in 390-million-year-old fossil
— 7 Feb 2009 12:44 | Geology and palaeontologyA missing link in the evolution of the front claw of living scorpions and horseshoe crabs was identified with the discovery of a 390 million-year-old fossil by researchers at Yale and…
Evolution and epilepsy
— 22 Jan 2009 20:18 | HealthStudies at the University of Pennsylvania School of Medicine on brain electrical signalling offer a fresh perspective on vertebrate evolution, provide additional evidence supporting…
Discovery provides new perspective on animal evolution
— 5 Dec 2008 01:48 | BiologyGroove-like tracks on the ocean floor made by giant deep-sea single-celled organisms could lead to new insights into the evolutionary origin of animals. Biologist Mikhail 'Misha' Matz…
Protists may explain trace fossil evidence attributed to ancient animals
— 20 Nov 2008 19:30 | BiologyA new discovery challenges one of the strongest arguments in favour of the idea that animals with bilateral symmetry - those that, like us, have two halves that are roughly mirror images…