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Re: Dinosaur Art & Q's

T. Mike Keesey wrote:

> Kind of unfair to pit one species (subspecies, even) against a
> huge,
> diverse taxon like Dinosauria. Now if you compare, say, Mammalia to
> Dinosauria, it evens out a bit (as they've both been around about
> the same
> amount of time).

Dinosaurs (including birds) are almost certainly a clade, meaning
originally there was one dinosaur species.  This species was so
successful it became a huge, diverse taxon.  The only unfair bit is
judging the clades before their histories are over.

The human (hominine) clade, on the other hand, has only lasted a few
million years.  It has produced a handful of species which are all,
with one exception, extinct.

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