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Re: molecular DNA, phylogeny, and random notes



David Marjanovic wrote :
* The age of the oldest known certain amniotes, namely *Hylonomus*, which is 
a member of the sistergroup of Diapsida,
<snip>
Sistergroup? I thought *H.* was basal to all groups (including Diapsida and 
Parapsida/Anapsida)?
Jean-Michel

BTW happy new year everyone