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Re: "The X Digit"...a Pteroid bone??



In a message dated 1/25/99 3:01:32 AM EST, tkeese1@gl.umbc.edu writes:

<< Man, this would wreak havoc with the content of some clades -- Ornithodira
 {Pterosauria + Dinosauria} would include pseudosuchians, _Euparkeria_,
 etc. (not to mention prolacertiforms). Dinosauromorpha 
 {Dinosauria > Pterosauria} would be come virtually identical  to
 Archosauriformes.
 
 If this were the case, abandonment of Ornithodira and refinement of the
 definition of Dinosauromorpha {Dinosauria > Pterosauria,
 Pseudosuchia} might be a good idea.  >>

One of the reasons I'm not a terribly enthusiastic advocate of strictly
cladistic taxonomy.