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Re: The head of Arthurdactylus?

Posted for Chris Brochu:

David Peters wrote:

< I've matched 60 pterosaur taxa against 170 characters and PAUP came up with a 
single tree. One of the interesting things to emerge was this:>

< Cearadactylus, known only from a skull sans cranium, came out as the sister 
taxon to Arthurdactylus, known only from post-crania.>

< I don't know whether to smile or scratch my head.>

< Did PAUP put them together because they were the last two "wallflowers "in 
the clade? Or is this PAUP at its very best? Has this happened elsewhere on the 
family tree of tetrapods? >

I'd be much, much more concerned about getting only ONE tree with 60 ingroup 
taxa and 170 characters.


Christopher A. Brochu
Assistant Professor
Department of Geoscience
University of Iowa
Iowa City, IA 52242

319-353-1808 phone
319-335-1821 fax