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Re: [dinosaur] Mesosaurs (+ parareptiles as diapsids) + Coahuila State dinosaur find history + more



Yes, poor choice of words. I'll be interested to see the full paper, though. 

Ronald Orenstein 
1825 Shady Creek Court
Mississauga, ON
Canada L5L 3W2
ronorenstein.blogspot.com

> On Oct 17, 2017, at 5:52 AM, David Marjanovic <david.marjanovic@gmx.at> wrote:
> 
> Gesendet: Sonntag, 15. Oktober 2017 um 20:09 Uhr
> Von: "Ronald Orenstein" <ron.orenstein@rogers.com>
> 
>> I'll be very interested to hear the rationale for including pareiasaurs 
>> among diapsids!
> 
> Rationale? This is a phylogenetic analysis. A broad range of early amniotes 
> is included (and already was in the 1995 version), and – unexpectedly (M. 
> Laurin, pers. comm.) – the "parareptiles" have come out as diapsids. It's a 
> result, not a decision. Now that phylogenetics is a science and no longer an 
> art, your own results can surprise you; you don't know in advance anymore 
> what your own data support.
> 
>> Not to mention exactly where among the diapsids a turtle-parareptile lineage 
>> falls out...
> 
> That will require adding more taxa, because at present the "younginiforms" 
> are "the most crownward diapsids included in the analyses" as the abstract 
> says.