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RE: Therizinosaur track from Denali National Park, Alaska
- To: <firstname.lastname@example.org>, <email@example.com>
- Subject: RE: Therizinosaur track from Denali National Park, Alaska
- From: Anthony Docimo <firstname.lastname@example.org>
- Date: Wed, 22 Aug 2012 21:53:00 +0000
- In-reply-to: <CA+nnY_HYmeJLy5rd69BX0D49QVPhd-Y=uszZVYqy3qRhdKtTzA@mail.gmail.com>
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- Sender: owner-DINOSAUR@usc.edu
> Date: Wed, 22 Aug 2012 17:10:02 +1000
> From: firstname.lastname@example.org
> To: email@example.com
> Subject: Re: Therizinosaur track from Denali National Park, Alaska
> Anthony Docimo <firstname.lastname@example.org> wrote:
> >> There is at least one other group of Cretaceous theropods that have
> >> four forward-facing toes. The flightless bird _Patagopteryx_ has a
> >> "pamprodactyl" foot,
> > um, just out of curiosity, how many species is _Patagopteryx_ held to
> > presently have?
> Unless something has changed, _Patagopteryx_ currently has only one
> species. _Alamitornis_ has been regarded as a close relative by
> Agnolin and Martinelli (doi 10.1016/j.jsames.2008.09.003), but it's
> smaller and more gracile, and it's not known if it was flightless.
> > (if less than two, how is that a third group?)
> By the "other group" I meant birds in general. Sorry for not making
> that clear. Pamprodactyly has evolved several times in the Avialae.
Thanks for clarifying. So, saying "pamprodactyl groups" is just
paraphletics(sp) , rather than anything meaningful?