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Re: Eoabelisaurus - almost complete Aalenian-Bajocian abelisaurid.



gorgeous, thanks a lot to everybody!

cheers

r

2012/5/23 Stephen Poropat <stephenfporopat@gmail.com>:
> Here you go, including the supplement. Very exciting!
>
> On Wed, May 23, 2012 at 2:43 PM, Ralph.M <r.mauersb@googlemail.com> wrote:
>>
>> i would be very interested in the paper. If somebody could share it,
>> that would be marvelous!
>>
>> cheers
>>
>> ralph
>>
>> 2012/5/23 Choo, Brian <bchoo@museum.vic.gov.au>:
>> > Diego Pol & Oliver W. M. Rauhut (2012) A Middle Jurassic abelisaurid
>> > from Patagonia and the early diversification of theropod dinosaurs. Proc. 
>> > R.
>> > Soc. B rspb20120660; published ahead of print May 23, 2012, 1471-2954
>> >
>> > Abstract = Abelisaurids are a clade of large, bizarre predatory
>> > dinosaurs, most notable for their high, short skulls and extremely reduced
>> > forelimbs. They were common in Gondwana during the Cretaceous, but
>> > exceedingly rare in the Northern Hemisphere. The oldest definitive
>> > abelisaurids so far come from the late Early Cretaceous of South America 
>> > and
>> > Africa, and the early evolutionary history of the clade is still poorly
>> > known. Here, we report a new abelisaurid from the Middle Jurassic of
>> > Patagonia, Eoabelisaurus mefi gen. et sp. nov., which predates the so far
>> > oldest known secure member of this lineage by more than 40 Myr. The almost
>> > complete skeleton reveals the earliest evolutionary stages of the
>> > distinctive features of abelisaurids, such as the modification of the
>> > forelimb, which started with a reduction of the distal elements. The find
>> > underlines the explosive radiation of theropod dinosaurs in the Middle
>> > Jurassic and indicates an unexpected diversity of ceratosaurs at that time.
>> > The apparent endemism of abelisauroids to southern Gondwana during Pangean
>> > times might be due to the presence of a large, central Gondwanan desert.
>> > This indicates that, apart from continent-scale geography, aspects such as
>> > regional geography and climate are important to reconstruct the
>> > biogeographical history of Mesozoic vertebrates.
>> >
>> >
>> >
>> >
>> > http://rspb.royalsocietypublishing.org/content/early/2012/05/17/rspb.2012.0660.abstract
>> >
>> >
>> >
>> > Cheers
>> > Brian
>> >
>> >
>> >
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>
> --
> Dr. Stephen Poropat
>
> Postdoctoral Research Fellow
> Uppsala University
> Villavägen 16
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> Australian Age of Dinosaurs
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