Re: Gondwana Split Sorts Out Mammalian Evolution

[João Simões Lopes Filho <jodan99@uol.com.br>]

The meridiungulates Macrauchenia and Toxodon survived until late
Pleistocene. Perhaps it will be possible to recover DNA from these species.
----- Original Message -----
From: David Marjanovic <david.marjanovic@gmx.at>
To: The Dinosaur Mailing List <dinosaur@usc.edu>
Sent: Thursday, January 24, 2002 11:51 AM
Subject: Re: Gondwana Split Sorts Out Mammalian Evolution


> > In fact Creodonta were found in African Paleocene. Perhaps they were the
> > carnivore Afrotherians, flaying the role of Laurasian Carnivora and
South
> > American Borhyaenoids.
>
> Sounds like an interesting idea. According to
>
www.fmnh.helsinki.fi/users/haaramo/Metazoa/Deuterostoma/Chordata/Synapsida/E
> utheria/Epitheria_1.htm Creodonta is not regarded as paraphyletic, as was
> once suggested, so Carnivora might not destroy this hypothesis. The
> creodonts would have had to escape from Africa very soon, though.
>
> What I really wonder is how fossils like Meridiungulata got into the
> molecular phylogenies at
>
www.fmnh.helsinki.fi/users/haaramo/Metazoa/Deuterostoma/Chordata/Synapsida/E
> utheria/Eutheria_2.htm and
>
www.fmnh.helsinki.fi/users/haaramo/Metazoa/Deuterostoma/Chordata/Synapsida/E
> utheria/Eutheria_3.htm.
>
> > And South American Alcidedorbignya...is it still considered as a
> Pantodont?
> > Can be Pantodonts closer to Xenarthra? Can Carodnia (Xenungulata) be
> > relative of Dinocerata ?
>
> No idea. But surf around a little from the abovementioned webpages.
>