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Ancient Human Ancestor Looked Like An Eel (Pikaia Gracilens)


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Ancient human ancestor looked like an eel: study

Kendra Mangione, ctvtoronto.ca. March 5, 2012

http://toronto.ctv.ca/servlet/an/local/CTVNews/20120305/pikaia-gracilens-fossil-analysis-human-genetic-link-study-120305/20120305?hub=Toronto

Humanity’s origins could be traced to ancient worm:

scientists. Postmedia News March 5, 2012

http://news.nationalpost.com/2012/03/05/humanitys-orgins-could-be-traced-to-ancient-worm-scientists/

Did we evolve from a worm? Independent, March 6, 2012

http://www.iol.co.za/scitech/science/discovery/did-we-evolve-from-a-worm-1.1249764

Humans' ancient ancestor revealed - as a 505

million-year-old 'eel' Cambridge News, March 5, 2012

http://www.cambridge-news.co.uk/Education-and-Training/Universities/Humans-ancient-ancestor-revealed-as-a-505-million-year-old-eel-05032012.htm

The paper is:

Morris, S. C., J-B. Caron, 2012, Pikaia gracilens

Walcott, a stem-group chordate from the Middle

Cambrian of British Columbia. Biological Reviews.

Article first published online: 4 MAR 2012

DOI: 10.1111/j.1469-185X.2012.00220.x

http://onlinelibrary.wiley.com/doi/10.1111/j.1469-185X.2012.00220.x/abstract

A related article is:

Burgess Shale: Cambrian Explosion in Full Bloom

by James W. Hagadorn. PDF file at

http://www3.amherst.edu/~jwhagadorn/publications/Lag2.pdf

Pikaia – Wikipedia

http://en.wikipedia.org/wiki/Pikaia and

http://paleobiology.si.edu/burgess/pikaia.html

Best wishes,

Paul H.

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I saw the story on the news last night.. Thanks for posting these, I read the first article but I'm not sure why they make it sound like a new revelation that Pikaia might be our ancestor, this has been suspected for decades now!

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Actually...you could just as confidently post the headline: Ancient Human Ancestor Looked Like A Bacterium :)

-Joe

:lol: :lol:

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Stephen Jay Gould made Pikaia the star of his book Wonderful Life published way back in 1989. He muses about what the world would be like if Pikaia had been one of the early phyla that died out instead of some of the others from the Burgess shale.

Edited by davehunt
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  • 3 months later...

sorry to disappoint you but they never did and never will

Please explain...

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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