Terrestrial Ancestor of Whales Discovered

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	Terrestrial Ancestor of Whales Discovered

tabsey

1-27-2008 4:47 AM

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tags:

science

tabsey says:

This theory turns popular understanding of whale evolution upside down. Until now, it was a widely held belief that today's whales are the descendents of a terrestrial carnivore—not some deer-sized herbivorous ungulate.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/cabca540-05bf-44ff-8da9-8b388c4a3523/73B6A514-4E39-4ACE-9419-F242860D969B/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://animals.about.com/b/2008/01/25/whale-ancestor-discovered.htm" href="http://animals.about.com/b/2008/01/25/whale-ancestor-discovered.htm" style="font-size: 11px;">animals.about.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://animals.about.com/b/2008/01/25/whale-ancestor-discovered.htm"><P><IMG align="right" src="http://z.about.com/d/animals/1/0/e/P/0080.jpg" />The fossil remains of a 48-million-year-old mammal have been unearthed by a team of scientists working in the Kashmir region of India. The research team, lead by Hans Thewissen of the Northeastern Ohio Universities Colleges of Medicine and Pharmacy, classified the animal as an even-toed ungulate and described it as small and deerlike in build. They named it Indohyus.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://animals.about.com/b/2008/01/25/whale-ancestor-discovered.htm"><P>Indohyus is thought to be a very special discovery. It appears the animal spent much of its life in or near water. The skull and ear of Indohyus resembles those of whales. Additionally, Indohyus' bones have a thick outer layer characteristic of species that have an aquatic lifestyle. And chemical analysis of Indohyus' teeth show oxygen isotope ratios similar to other aquatic species. Based on these findings, Indohyus may indeed be the land ancestor to modern day whales.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/73B6A514-4E39-4ACE-9419-F242860D969B/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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