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Re: Pterosaurs and ABSRD (sensu Williams)
On Mon, 21 May 2001 Dinogeorge@aol.com wrote:
> In a message dated 5/21/01 4:23:10 PM EST, email@example.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.
By the same caveat, any two clades are sister taxa....
T. MICHAEL KEESEY
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