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Re: Pterosaurs and ABSRD (sensu Williams)



In a message dated 5/21/01 4:23:10 PM EST, twilliams_alpha@hotmail.com writes:

<< Believe it or not, there is at least one DML contributor who believes that 
 birds and pterosaurs are indeed sister taxa!  (It isn't me.) >>

They are sister taxa, only there are a few taxa (e.g., some prolacertiforms, 
all dinosaurs) in each lineage in addition to the pterosaurs and birds.