>From: Roberto Takata <rmtakata@gmail.com> >Reply-To: rmtakata@gmail.com >To: keesey@gmail.com >CC: Dinosaur Mailing List <>
>Crocodylia+Testudines clade (some genetic study place Testudines as an >archosaur taxon - syster to Crocodylia). > >When they say extant, what if the group goes extinct?
a wild guess here, but I would guess that they then call the group extinct.
Good pun, but there was a (extinct) context on which that period was written.
[]s,
Roberto Takata