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Re: Pan-clades, good or bad?



Christopher Taylor wrote-

>     A good point. After all and for instance, Insecta, when first used by
> Linnaeus, included crustaceans as well as insects. I can't imagine anyone
> arguing for a redefinition of Insecta based on this.

If molecular phylogenies of Arthropoda have any significance- how prescient
of him.  Of course (and ironically, might I add), that clade is now called
Pancrustacea.

Mickey Mortimer