Re: [RECEIVED] Crocodylomorph eggshells from uppermost Cretaceous of Pyrenees

[Jura <pristichampsus@yahoo.com>]

PDF received. Thanks everyone.

Jason

 
http://reptilis.net 


"I am impressed by the fact that we know less about many modern [reptile] types 
than we do of many fossil groups." - Alfred S. Romer


----- Original Message -----
> From: Jura <pristichampsus@yahoo.com>
> To: "dinosaur@usc.edu" <dinosaur@usc.edu>
> Cc: 
> Sent: Wednesday, 17 April 2013 11:35 AM
> Subject: [PDF REQUEST] Crocodylomorph eggshells from uppermost Cretaceous of 
> Pyrenees
> 
> Hi all, 
> 
> Does anyone have access to this paper? My university doesn't get this 
> journal.
> 
> Thanks,
> 
> Jason
> 
> 
> ----- Original Message -----
>>  From: Ben Creisler <bcreisler@gmail.com>
>>  To: dinosaur@usc.edu
>>  Cc: 
>>  Sent: Friday, 12 April 2013 12:35 PM
>>  Subject: Crocodylomorph eggshells from uppermost Cretaceous of Pyrenees
>> 
>>  From: Ben Creisler
>>  bcreisler@gmail.com
>> 
>>  A recent online paper not yet mentioned:
>> 
>> 
>>  Miguel Moreno-Azanza, Blanca Bauluz, José I. Canudo, Eduardo
>>  Puértolas-Pascual & Albert G. Sellés (2013)
>>  A re-evaluation of aff. Megaloolithidae eggshell fragments from the
>>  uppermost Cretaceous of the Pyrenees and implications for
>>  crocodylomorph eggshell structure.
>>  Historical Biology (advance online publication)
>>  DOI:10.1080/08912963.2013.786067
>>  http://www.tandfonline.com/doi/full/10.1080/08912963.2013.786067
>> 
>> 
>> 
>>  The Upper Cretaceous outcrops of the Pyrenees yield one of the most
>>  extensive and continuous records of paleoological remains anywhere in
>>  the world. Most of eggs and eggshells have been referred to the
>>  oofamily Megaloolithidae. In this study, we present a revision of
>>  eggshell fragments from the Blasi 2 locality, lattermost Maastrichtian
>>  in age, previously assigned to aff. Megaloolithidae. The presence of a
>>  blocky extinction pattern and basal knobs supports a crocodilian
>>  affinity of these materials. We classify them as Krokolithidae indet.
>>  Three structural layers can be recognised in the Blasi 2 eggshells, a
>>  feature that is shared
ylus niloticus) and fossil crocodylomorph eggshells
>>  (Krokolithes wilsoni), which were previously described as single
>>  layered. The new proposed affinity of the Blasi 2 eggshells reduces
>>  the Megaloolithidae oodiversity of the last few million years of the
>>  Cretaceous in the Pyrenees to only two valid ootaxa, Megaloolithus
>>  mamillare and Megaloolithus baghensis. The lack of more complete
>>  material precludes the erection of new ootaxa based on the Blasi 2
>>  m
>