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

RE: Avenantia and Riebeeckosaurus (Permian dinocephalian therapsids) cranial morphology (free pdf)



Yes, but I think we'll be waiting much longer for a paper to come out on a 
PERMIAN dinosaur(/-iform/-omorph)!



> Date: Wed, 18 Dec 2013 12:32:05 -0800
> Subject: Re: Avenantia and Riebeeckosaurus (Permian dinocephalian therapsids) 
> cranial morphology (free pdf)
> From: bcreisler@gmail.com
> To: archosauromorph2@hotmail.com
> 
> Once all the recent issues of Palaeontologia Africana are posted
> online with free pdfs, there will be some dinosaur papers that have
> been hard to get (a redescription of Massospondylus) so dinosaurs will
> show up. The pdf was free after all....
> 
> On Wed, Dec 18, 2013 at 12:22 PM, Brad McFeeters
> <archosauromorph2@hotmail.com> wrote:
>> Saw in my inbox, "Avenantia and Riebeeckosaurus (Permian dino..."
>>
>> I'm a _little_ disappointed right now. :P
>>
>>
>>
>>> Date: Wed, 18 Dec 2013 09:34:44 -0800
>>> From: bcreisler@gmail.com
>>> To: dinosaur@usc.edu
>>> Subject: Avenantia and Riebeeckosaurus (Permian dinocephalian therapsids) 
>>> cranial morphology (free pdf)
>>>
>>> From: Ben Creisler
>>> bcreisler@gmail.com
>>>
>>> The journal Palaeontologia Africana is being made available online.
>>> It's still a work in progress but some recent papers are now in open
>>> access.
>>>
>>>
>>> Saniye Güven, Bruce S. Rubidge & Fernando Abdala (2013)
>>> Cranial morphology and taxonomy of South African Tapinocephalidae
>>> (Therapsida: Dinocephalia): the case of Avenantia and Riebeeckosaurus.
>>> Palaeontologia Africana 48: 24-33
>>> URI: http://hdl.handle.net10539/13310
>>> http://wiredspace.wits.ac.za/handle/10539/13310
>>>
>>> Tapinocephalid dinocephalians comprise a large component of Middle
>>> Permian herbivorous tetrapod biodiversity and are significantly
>>> abundant in the Karoo rocks of SouthAfrica. In order to understand the
>>> effect of the alleged Middle Permian extinction in the terrestrial
>>> record of amniotes a clear understanding of the taxonomic diversity of
>>> this group is essential. The tapinocephalids Avenantia kruisvleiensis
>>> and Riebeeckosaurus longirostris have in th
>>> by a set of characters, including differences in the snout length
>>> which was previously interpreted as a key diagnostic character.
>>> Further preparation of the material attributed to these species shows
>>> that the purported distinguishing characters, such as snout length,
>>> low intertemporal crest, and surface thickening of the parietal
>>> represent postmortem deformation (including distortion and weathering)
>>> or can be interpreted as individual or ontogenetic variation.
>>> Accordingly A. kruisvleiensis is synonimized with R. longirostris.          
>>>