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Re: Notarium question

Only if pterosaurs were archosaurs. Unfortunately, no one can come up with a genus-based archosaur sister taxon that isn't seriously flawed. and out of the running.

Maisano 2004 reports that you can throw out the old rules if
pterosaurs are not archosaurs.

Are you suggesting that progressive vertebral fusion through ontogeny is restricted to archosaurs? That would be new information for me.

No. I'm restricting my query to adult taxa only.

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/o ) \/ Mike Taylor <mike@indexdata.com> http:// www.miketaylor.org.uk
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