Re: antiquity of segmentation

[Matt Fraser <mattf+@xxxxxxxx>]

On Wed, 14 May 1997, Peter D. Roopnarine wrote:

> Actually I would not be too surprised, since echinoderm larvae are
> bilaterally symmetric, and several possess dipleura characteristics. Several
> aspects of chordate, and in general deuterostome segmentation, specifically
> coelomic division, is a larval phenomenon, with a tripartite division of the
> larval coelom.

Ah-Hah!  I had forgotten about larvae!  Thanks!  I would have to change
what would surprise me based on that.

Matt

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