[Taxacom] Usefulness vs. convenience (Protista)

[Stephen Thorpe]

>But name me an uncrackable paraphyletic group

basal Bilateria ... where do Acoela and Nematodermata fit in? Xenoturbellida?

>Certainly Reptilia seems well-cracked

then please point me to a fully-worked out published Linnean classification 
which is congruent with the phylogeny (i.e., with mammals and birds as 
subordinate to the class Reptilia, but still with Linnean ranks) ...

Stephen




________________________________
From: Curtis Clark <lists at curtisclark.org>
To: taxacom at mailman.nhm.ku.edu
Sent: Mon, 20 December, 2010 5:13:20 PM
Subject: Re: [Taxacom] Usefulness vs. convenience (Protista)

On 12/19/2010 5:13 PM, Stephen Thorpe wrote:
> but the "paraphyletic nut" is all too often too hard to crack ...
>
And that, iirc, is why Wiley came up with the idea of "plesion".

But name me an uncrackable paraphyletic group (I'm not saying there 
aren't any, I just can't think of any off the top of my head). Certainly 
Reptilia seems well-cracked.

-- 
Curtis Clark                  http://www.csupomona.edu/~jcclark/
Director, I&IT Web Development                  +1 909 979 6371
University Web Coordinator, Cal Poly Pomona


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