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Re: definition of dinosaur

>     1.  A diagnosis, in any taxonomic scheme, tells you what is actually
>         there.
>     2.  A cladistic definition does not.
>     3.  Cladistic definitions are better than diagnosis-based 


Why, on point 3?  Wouldn't describing what is actually there be the most
beneficial in terms of taxonomy (especially when it comes to defending one's
placement of the genera in question)?


"Don't Panic."