[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Viva Neornithine Birds!



David Marjanovic wrote-

That is yet another question. Molecular dating argues against the idea that *Polarornis* and *Neogaeornis* were loons --

Does it? Ericson et al. (2004) seems to at first glance, until you realize they only included Tertiary taxa to calibrate their divergence dates. If you ignore the Cretaceous neornithine fossils, of course the divergence dates will come out as too late to incorporate them.


Mickey Mortimer