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Re: Spinosaurus redescribed as giant semiaquatic theropod



Ben Creisler
bcreisler@gmail.com

And more...


Scott Hartman's critiques continue...

Part 2
http://www.skeletaldrawing.com/home/there-may-be-more-fishiness-in-spinosaurus9132014

Part 1
http://www.skeletaldrawing.com/home/theres-something-fishy-about-spinosaurus9112014

***
Luis Rey updates Spinosaurus

http://luisvrey.wordpress.com/2014/09/14/what-happems-when-spinosaurus-runs-ashore/



On Sat, Sep 13, 2014 at 8:50 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> Ben Creisler
> bcreisler@gmail.com
>
> News and blog stuff not yet mentioned (the "Spinosaurnado" continues!):
>
>
> National Geographic photo gallery
>
> http://ngm.nationalgeographic.com/2014/10/spinosaurus/hettwer-photography
>
> ===
>
> The Hunt for Spinosaurus (news story with photo gallery)
>
> http://www.washingtonpost.com/news/speaking-of-science/wp/2014/09/11/the-hunt-for-spinosaurus/
>
>
> ===
>
> http://www.smithsonianmag.com/science-nature/meet-mighty-spinosaurus-first-swimming-dinosaur-180952679/?no-ist
>
> ====
>
> BLOGS
>
> Includes additional artwork for skull and tail
>
> http://novataxa.blogspot.com/2014/09/spinosaurus.html
>
> ===
> Andea Cau Theropoda blog (in Italian with rough English translation option)
>
> http://theropoda.blogspot.com/2014/09/spinosaurus-revolution-episodio-ii-ode.html?spref=tw
>
>
> Addresses  "disproportionately"  of pelvic region and limbs compared
> to the size of the vertebrae
>
> ===
> Luis Alcalá blog (in Spanish)
>
> http://www.elmundo.es/blogs/elmundo/blogosaurio/2014/09/11/el-dinosaurio-acuatico.html
>
>
> On Fri, Sep 12, 2014 at 7:16 PM, Ben Creisler <bcreisler@gmail.com> wrote:
>> Ben Creisler
>> bcreisler@gmail.com
>>
>> Blogs and news...
>>
>>
>> Spinosaurus exhibit inside look
>>
>> http://dinosours.wordpress.com/2014/09/12/spinosaurus-at-the-national-geographic-museum/
>>
>> Blogs
>>
>> http://qilong.wordpress.com/2014/09/12/the-outlaw-spino-saurus/
>>
>>
>> http://theropoddatabase.blogspot.com/
>>
>> ***
>> Nizar Ibrahim
>>
>> http://news.nationalgeographic.com/news/2014/09/140912-emerging-explorer-nizar-ibrahim-paleontology-sahara-dinosaur-fossil/
>>
>> On Thu, Sep 11, 2014 at 11:32 AM, Ben Creisler <bcreisler@gmail.com> wrote:
>>> News stories
>>>
>>> http://press.nationalgeographic.com/2014/09/11/scientists-report-first-semiaquatic-dinosaur-spinosaurus/
>>>
>>> with videos
>>> http://news.nationalgeographic.com/news/2014/09/140911-spinosaurus-fossil-discovery-dinosaur-science/
>>>
>>> ***
>>> with video
>>>
>>> http://phys.org/news/2014-09-shark-munching-spinosaurus-first-known-dinosaur.html
>>>
>>> ***
>>>
>>> (including some skepticism by other paleontologists about conclusions...)
>>>
>>> http://www.nature.com/news/swimming-dinosaur-found-in-morocco-1.15901
>>>
>>> http://www.newscientist.com/article/dn26193-biggest-hunting-dinosaur-was-an-aquatic-sharkgobbler.html
>>>
>>> On Thu, Sep 11, 2014 at 11:14 AM, Ben Creisler <bcreisler@gmail.com> wrote:
>>>> Ben Creisler
>>>> bcreisler@gmail.com
>>>>
>>>>
>>>> It's out...
>>>>
>>>> Nizar Ibrahim, Paul C. Sereno, Cristiano Dal Sasso, Simone Maganuco,
>>>> Matteo Fabbri, David M. Martill, Samir Zouhri, Nathan Myhrvold, and
>>>> Dawid A. Iurino (2014)
>>>> Semiaquatic adaptations in a giant predatory dinosaur.
>>>> Science (advance online publication)
>>>> DOI: 10.1126/science.1258750
>>>> http://www.sciencemag.org/content/early/2014/09/10/science.1258750.abstract
>>>>
>>>> NOTE: Supplementary material is free.
>>>>
>>>>
>>>> We describe adaptations for a semiaquatic lifestyle in the dinosaur
>>>> Spinosaurus aegyptiacus. These adaptations include retraction of the
>>>> fleshy nostrils to a position near the mid-region of the skull and an
>>>> elongate neck and trunk that shift the center of body mass anterior to
>>>> the knee joint. Unlike terrestrial theropods, the pelvic girdle is
>>>> downsized, the hind limbs are short, and all of the limb bones are
>>>> solid without an open medullary cavity, for buoyancy control in water.
>>>> The short, robust femur with hypertrophied flexor attachment and the
>>>> low, flat-bottomed pedal claws are consistent with aquatic
>>>> foot-propelled locomotion. Surface striations and bone microstructure
>>>> suggest that the dorsal “sail” may have been enveloped in skin that
>>>> functioned primarily for display on land and in water.
>>>>
>>>> ==
>>>>
>>>> Michael Balter (2014)
>>>> Giant dinosaur was a terror of Cretaceous waterways.
>>>> Science  345(6202): 1232
>>>> DOI: 10.1126/science.345.6202.1232
>>>> http://www.sciencemag.org/content/345/6202/1232.summary
>>>>
>>>>
>>>>
>>>> Researchers have long debated whether dinosaurs could swim, but there
>>>> has been little direct evidence for aquadinos. Some tantalizing hints
>>>> have appeared, however, in claimed "swim tracks" made by the bellies
>>>> of dinos in Utah and oxygen isotopes indicating possible aquatic
>>>> habitats in a group of dinosaurs called spinosaurs. Now, a research
>>>> team working in Morocco has found the most complete skeleton yet of a
>>>> giant carnivore called Spinosaurus, very fragmentary remains of which
>>>> were first discovered in 1912 in Egypt. The new fossils not only
>>>> confirm that Spinosaurus was bigger than Tyrannosaurus rex, but also
>>>> show that it had evolutionary adaptations—ranging from pedal-like feet
>>>> to a nostril far back on the head to high bone density like that of
>>>> hippos—clearly suited for swimming in lakes and rivers.