[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: T-J Extinction event article (more media errors?)



In a message dated 5/12/01 4:02:35 PM EST, tmk@dinosauricon.com 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.