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Re: T-J Extinction event article (more media errors?)
In a message dated 5/12/01 4:02:35 PM EST, firstname.lastname@example.org writes:
<< Synapsida or Theropsida >>
If these are clades, then they include the crown group Mammalia. So, why not
simply bring them into Mammalia and broaden the scope of that term, instead
of creating a new taxon? Saves arguing over which "pre-mammalian" stem groups
should be included in Mammalia.