[Taxacom] Two kinds of nictitating membranes

Karl Magnacca kmagnacca at wesleyan.edu
Mon Mar 23 10:35:25 CDT 2009

On Mon, March 23, 2009 3:09 pm, Kenneth Kinman wrote:
> (2) Are the tetrapod and shark types homologous structures (sort of a
> distant parallelism)

Dare we say, an underlying synapomorphy???

Karl Magnacca
Postdoctoral Researcher
Department of Zoology
Trinity College, Dublin 2

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