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

Re: Eoabelisaurus - almost complete Aalenian-Bajocian abelisaurid.



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
>
>
>
> Museums Board of Victoria ABN 63 640 679 155 is endorsed as a Deductible Gift 
> Recipient.
> All gifts of $2 or more are tax deductible.
>
>
> [cid:imageaf3b7d.jpg@bb02cd33.ef464ee4]
>
> Melbourne Museum
> Major Tourist Attraction
> museumvictoria.com.au<http://museumvictoria.com.au/>
>
> This e-mail is solely for the named addressee and may be confidential. You 
> should only read, disclose, transmit, copy, distribute, act in reliance on or 
> commercialise the contents if you are authorised to do so. If you are not the 
> intended recipient of this e-mail, please notify 
> postmaster@museum.vic.gov.au<mailto:npostmaster@museum.vic.gov.au> by email 
> immediately, or notify the sender and then destroy any copy of this message. 
> Views expressed in this email are those of the individual sender, except 
> where specifically stated to be those of an officer of Museum Victoria. 
> Museum Victoria does not represent, warrant or guarantee that the integrity 
> of this communication has been maintained nor that it is free from errors, 
> virus or interference.
> Please consider the environment before printing this email.
>
>