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Re: Sefapanosaurus, new basal sauropodomorph from Elliot Formation of South Africa (free pdf)



Ben Creisler
bcreisler@gmail.com


The pdf is now free at this link:

http://www.wits.ac.za/files/4m9h8_521719001435141672.pdf


Press release:

http://www.wits.ac.za/newsroom/newsitems/201506/26705/news_item_26705.html




On Tue, Jun 23, 2015 at 8:29 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> Ben Creisler
> bcreisler@gmail.com
>
>
> A new paper:
>
> Alejandro Otero, Emil Krupandan, Diego Pol, Anusuya Chinsamy and Jonah
> Choiniere (2015)5
> A new basal sauropodiform from South Africa and the phylogenetic
> relationships of basal sauropodomorphs.
> Zoological Journal of the Linnean Society 174(3): 589–634
> DOI: 10.1111/zoj.12247
> http://onlinelibrary.wiley.com/doi/10.1111/zoj.12247/abstract
>
>
>
> We present a new medium-sized basal sauropodomorph, Sefapanosaurus
> zastronensis gen. et sp. nov., from the Upper Triassic−Lower Jurassic
> Elliot Formation of South Africa. It is represented by parts of the
> postcranial skeleton of at least four individuals, including:
> cervical, dorsal, sacral and caudal vertebrae, most of the forelimb,
> and part of the hindlimb. Sefapanosaurus bears several autapomorphies
> of the astragalus, and referred material also shows autapomorphic
> features. The inclusion of Sefapanosaurus in a phylogenetic analysis
> places it within the group of sauropodomorphs more closely related to
> sauropods than to Massospondylus (i.e. Sauropodiformes), increasing
> the currently known diversity of the so-called ‘transitional forms’
> leading to Sauropoda. Character optimization revealed the presence of
> several features that are common for taxa placed within the
> transitional branches basal to Sauropoda. Sefapanosaurus, together
> with other transitional sauropodomorphs reported during the last
> decade, highlights the importance of Gondwanan taxa for understanding
> the palaeobiodiversity, global distribution, and macroevolutionary
> changes in the group related to the rise of sauropods.