animal legs

[Thomas Schlemmermeyer]

Vertebrates, however, form a monophyletic group, while Invertebrates are a
paraphyletic group (the name goes back to Aristotle).
So, one may ask how many times did Invertebrate legs transform into walking
legs, and how many times did the same thing happen with Vertebrate legs?

On (         Wed, 28 Jul 1999 18:45:24 -0700
),         Curtis Clark <jcclark at CSUPOMONA.EDU> wrote:


>At 02:35 PM 7/28/99 -0700, Ken Kinman wrote:
>>While the origins and evolution of vertebrate legs are relatively well
>>understood, the legs of invertebrates are a whole different story.  They
>>almost certainly didn't evolve to walk on land.
>
>I would surmise from the limbs of coelacanths that the same might be true
>of vertebrates.
>
>
>----------------------------------------------------------------
>Curtis Clark                  http://www.csupomona.edu/~jcclark/
>Biological Sciences Department             Voice: (909) 869-4062
>California State Polytechnic University      FAX: (909) 869-4078
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>


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Thomas Schlemmermeyer
Museu de Zoologia, Universidade de São Paulo
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