Re: [Geology2] Earth's First Great Predator Wasn't

Lin Kerns wrote:
(snip)
> ScienceDaily (Nov. 1, 2010) — The meters-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 modeling of the mouth
> parts of the Anomalocaris, along with evidence that these
> parts were not hard like teeth, but flexible, shows that
> the famed predator could not have been munching on the
> hard shells of trilobites and other such creatures of the
> early seas.
(snip)

It looks to me that these so called teeth may have formed a
sort of baleen strainer, if there was some sort of a plug
tongue, to close the hole and then force water out through
the cracks between the overlapping teeth, after a mouthful
of plankton rich water was inhaled.

--
Regards,

John Popelish

------------------------------------

Yahoo! Groups Links

<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/geology2/

<*> Your email settings:
Individual Email | Traditional

<*> To change settings online go to:
http://groups.yahoo.com/group/geology2/join
(Yahoo! ID required)

<*> To change settings via email:
geology2-digest@yahoogroups.com
geology2-fullfeatured@yahoogroups.com

<*> To unsubscribe from this group, send an email to:
geology2-unsubscribe@yahoogroups.com

<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/