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- Mar 17, 2003
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There is an important paper in today's Nature describing a cephalopod from the Burgess Shale formation.
Roy
Roy
"Our discovery allows us to push back the origin of cephalopods by at least 30 million years, to the famous Cambrian explosion about a half-billion years ago," said Jean-Bernard Caron of the Royal Ontario Museum in Toronto.
robyn;156384 said:cuttlegirl - pm me with your email. I can send you the pdf and supplementary materials.
The presence of a funnel suggests that jet propulsion evolved in cephalopods before the acquisition of a shell.
Architeuthoceras;156401 said:Looks like the funnel evolved before the mouth