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Re: T-J Extinction event article (more media errors?)
In a message dated 5/11/01 5:09:35 PM EST, firstname.lastname@example.org writes:
<< This is an example how the use of paraphyletic taxa can mislead. "Both"
living descendants, so they aren't extinct, even though no actual members of
the actual paraphyletic groups survive. >>
This is not misleading; but it may be confusing because the paraphyletic
groups under discussion have not been adequately defined. Define a
paraphyletic group as the difference between an inclusive clade and one or
more of its included clades and there's no confusion.