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Re: [RECEIVED] Re: Prognathodon (Mosasauridae) had shark-like hypocercal tail fin
PDF received.
Thanks all.
Jason
----- Original Message -----
> From: Jura <pristichampsus@yahoo.com>
> To: "dinosaur@usc.edu" <dinosaur@usc.edu>
> Cc:
> Sent: Tuesday, 10 September 2013 12:49 PM
> Subject: [PDF REQUEST] Re: Prognathodon (Mosasauridae) had shark-like
> hypocercal tail fin
>
> Could anyone with access to the paper pass it along to me.
>
>
> Thanks,
>
> Jason
>
>
>
> ----- Original Message -----
>> From: Ben Creisler <bcreisler@gmail.com>
>> To: dinosaur@usc.edu
>> Cc:
>> Sent: Tuesday, 10 September 2013 11:27 AM
>> Subject: Prognathodon (Mosasauridae) had shark-like hypocercal tail fin
>>
>> From: Ben Creisler
>> bcreisler@gmail.com
>>
>>
>> A new paper in Nature Communications:
>>
>>
>>
>> Johan Lindgren, Hani F. Kaddumi & Michael J. Polcyn (2013)
>> Soft tissue preservation in a fossil marine lizard with a bilobed tail fin.
>> Nature Communications 4, Article number: 2423
>> doi:10.1038/ncomms3423
>> http://www.nature.com/ncomms/2013/130910/ncomms3423/full/ncomms3423.html
>>
>>
>>
>> Mosasaurs are secondarily aquatic squamates that became the dominant
>> marine reptiles in the Late Cretaceous about 98–66 million years ago.
>> Although early members of the group possessed body shapes similar to
>> extant monitor lizards, derived forms have traditionally been
>> portrayed as long, sleek animals with broadened, yet ultimately
>> tapering tails. Here we report an extraordinary mosasaur fossil from
>> the Maastrichtian of Harrana in central Jordan, which preserves soft
>> tissues, including high fidelity outlines of a caudal fluke and
>> flippers. This specimen provides the first indisputable evidence that
>> derived mosasaurs were propelled by hypocercal tail fins, a hypothesis
>> that was previously based on comparative skeletal anatomy alone.
>> Ecomorphological comparisons suggest that derived mosasaurs were
>> similar to pelagic sharks in terms of swimming performance, a finding
>> that significantly expands our understanding of the level of aq
>
>>
>> News stories:
>>
>>
> http://news.nationalgeographic.com/news/2013/09/130910-mosasaur-sea-monster-reptile-tail-ocean-science/
>>
>> http://www.livescience.com/39518-marine-lizard-with-shark-tail.html
>>
>