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Re: Amphicoelias fragillimus (gigantic sauropod) size overestimated? (free pdf)



Ben Creisler
bcreisler@gmail.com

People can read Cope's original description at this link.

http://www.biodiversitylibrary.org/page/41316697#page/573/mode/1up

On Mon, Dec 15, 2014 at 5:04 PM, Mickey Mortimer
<mickey_mortimer111@msn.com> wrote:
> The irony here is too delicious to not comment on.  Woodruff and Foster 
> propose Amphicoelias fragillimus wasn't so huge, and that the reported neural 
> arch height of 1500 mm in Cope's measurement table was a typo for 1050 mm.  
> Yet their own measurement table comparing proportions using both sizes has a 
> typo itself!  "Cop’s arch reconstruction"  Good ol' Edward Drinker Cop.  
> Hilarious.  Not a bad theory though.
>
> Mickey Mortimer
>
> ----------------------------------------
>> Date: Mon, 15 Dec 2014 13:03:14 -0800
>> From: bcreisler@gmail.com
>> To: dinosaur@usc.edu
>> Subject: Fwd: Amphicoelias fragillimus (gigantic sauropod) size 
>> overestimated? (free pdf)
>>
>> A correction to the citation (wrong page numbers)...
>>
>>
>> D. Cary Woodruff and John R. Foster (2014)
>> The fragile legacy of Amphicoelias fragillimus (Dinosauria: Sauropoda;
>> Morrison Formation – latest Jurassic).
>> Volumina Jurassica 12 (2): 211–220
>> DOI: 10.5604/17313708 .1130144
>> https://www.voluminajurassica.org/volumina/article/view/173/153
>>
>>
>>
>> ---------- Forwarded message ----------
>> From: Ben Creisler <bcreisler@gmail.com>
>> Date: Mon, Dec 15, 2014 at 12:55 PM
>> Subject: Amphicoelias fragillimus (gigantic sauropod) size
>> overestimated? (free pdf)
>> To: dinosaur@usc.edu
>>
>>
>> Ben Creisler
>> bcreisler@gmail.com
>>
>> A new paper in open access:
>>
>> D. Cary Woodruff and John R. Foster (2014)
>> The fragile legacy of Amphicoelias fragillimus (Dinosauria: Sauropoda;
>> Morrison Formation – latest Jurassic).
>> Volumina Jurassica 12 (2): 211-220
>> DOI: 10.5604/17313708 .1130144
>> https://www.voluminajurassica.org/volumina/article/view/173/153
>>
>> In the summer of 1878, American paleontologist Edward Drinker Cope
>> published the discovery of a sauropod dinosaur that he named
>> Amphicoelias fragillimus. What distinguishes A. fragillimus in the
>> annals of paleontology is the immense magnitude of the skeletal
>> material. The single incomplete dorsal vertebra as reported by Cope
>> was a meter and a half in height, which when fully reconstructed,
>> would make A. fra
>> initial description Cope never mentioned A. fragillimus in any of his
>> scientific works for the remainder of his life. More than four decades
>> after its description, a scientific survey at the American Museum of
>> Natural History dedicated to the sauropods collected by Cope failed to
>> locate the remains or whereabouts of A. fragillimus. For nearly a
>> century the remains have yet to resurface. The enormous size of the
>> specimen has generally been accepted despite being well beyond the
>> size of even the largest sauropods known from verifiable fossil
>> material (e.g. Argentinosaurus). By deciphering the ontogenetic change
>> of Diplodocoidea vertebrae, the science of gigantism, and Cope’s own
>> mannerisms, we conclude that the reported size of A. fragillimus is
>> most likely an extreme over-estimation.
>