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Re: [[listproc@usc.edu: Error Condition Re: Re: [Re: CLADISTICS AND PALEONTOLOGIST(S) OF THE CENTURY]]]



> Subject: Re: [Re: CLADISTICS AND PALEONTOLOGIST(S) OF THE CENTURY]
> 
> JSW wrote:
>  
> > And maybe we shouldn't keep it.  Likewise the other examples you
> > name -- in ceratopsids, it always struck me as illogical to call
> > something that doesn't have either horns or head frill a
> > "ceratopsid."  Ceratopsids are _horned_ dinosaurs -- and for the
> > sake of simplicity, anything descended from a horned dinosaur, like
> > _Pachyrhinosaurus_.  Even protoceratopsids could be reasonably
> > called horned dinosaurs, since the male _Protoceratops_ has an
> > incipient horn on its nose.  But _Psittacosaurus_ isn't a horned
> > dinosaur and shouldn't be placed in Ceratopsia.
> 
> =====================================================================
 
 But, by that logic then _Horned Lizards_ should be ceratopsians
 because they have a neck frill and Jackson's Chameleons chould be
 ceratopsians cause they have horns protruding from their face (in a
 very ceratopsian way)
 
 Archosaur J
 
 [It's the little things that get ya]
 
> 
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