Farewell to species (but not yet!)

Curtis Clark jcclark at CSUPOMONA.EDU
Mon Feb 7 17:53:53 CST 2000

At 01:15 PM 00.02.07 -0500, DR. JAMES ADAMS wrote:
>Ah, but you are missing the *most important* difference between
>the two terms -- that the paraphyletic group, though not including
>all descendents, *does* include the common ancestor, whereas a
>polyphyletic group does not.  This *is* an extremely important
>distinction, which I do not feel that virtually anyone doubts on this

It is extremely important, easy to make in theory, but often not easy in

Curtis Clark                  http://www.csupomona.edu/~jcclark/
Biological Sciences Department             Voice: (909) 869-4062
California State Polytechnic University      FAX: (909) 869-4078
Pomona CA 91768-4032  USA                  jcclark at csupomona.edu

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