I have a question for CKing pertaining to his questions about paraphyletic taxa.
To which taxonomic levels are you refering? The reason I ask is I think quite a few phylogenetic systematists (cladists, or Hennigians, etc.), myself included realize that speciation by peripheral isolation does result in "paraphyletic species", and this is inevitable and sometimes difficult to deal with (but species in general difficult to deal with). But does the inevitable need for paraphyly show up at higher taxonomic levels? As far as I can tell the answer is "no". I imagine you have answered this somewhere on this forum. I have not kept up with your posts because, well I have a lot of work to do. But if you want feel free to direct me to another post if you have already answered this.

Cheers,
Eric

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