Re: [dinosaur] Longest sauropod rib

I seem to recall a very long cervical rib in *Mamenchisaurus sinocanadorum.*

On Tue, Nov 19, 2019 at 11:14 AM Mike Taylor <[email protected]> wrote:

> Actually, there almost certainly is NOT and SV-POW! post on this, though I
> can certainly see why people would expect there to be. At least, if there
> is such a post, then (A) I don't remember writing or reading it, and (B)
> it's not filed under "ribs" at https://urldefense.proofpoint.com/v2/url?u=https-3A__svpow.com_category_ribs_&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=wesxv_SMaVKxEkLge3OGGOq_DS3BTyz41yI7L5tKw2o&s=bBgjtcExMVAEEE0mUgj7IYOztLuQ5i0Eh8G5W8xMQA8&e= 
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__svpow.com_category_ribs_&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=IkAgz48hyOJwoE6EFcBZZ6oKyKharYbXflApkCXWDNU&s=-e9bBfD_UyKwkil46weJVkCPX7dB7fKeyUZEPko_fMs&e=>
>
> In his monograph of Brachiosaurus, Riggs (1904:239) notes that "One of the
> more slender ribs from the mid-thoracic region measures fully nine feet
> (2.745 m) in length", which is almost exactly the same length as the
> ?Apatosaurus rib that Cary saw at the MOR. I have a vague feeling of
> reading about an Asian sauropod with a longer rib, but I can't remember the
> name of that animal.
>
> Sorry.
>
> -- Mike.
>
>
> On Tue, 19 Nov 2019 at 16:06, Cary Woodruff <[email protected]> wrote:
>
>> I seem to recall that there is an SV-POW! post on this (I'm sure Mike
>> Taylor can send you said link). There are monstrous fragments out there,
>> but the biggest complete rib I have ever personally seen is over 274 cm
>> from an Apatosaurus(?) at the MOR.
>>
>> On Tue, Nov 19, 2019 at 2:39 AM Poekilopleuron <[email protected]>
>> wrote:
>>
>>> Good day to all listmembers, I would like to ask what is the longest
>>> sauropod rib on record? I recall seeing reference for a 306 cm long rib in
>>> _Supersaurus vivanae_, but there are probably fragmentary remains of even
>>> longer ribs? How long/thick could possibly be an Argentinosaurus rib? Thank
>>> you in advance! Tom
>>>
>>
>>
>> --
>> Cary Woodruff
>> PhD Student
>> University of Toronto - Royal Ontario Museum
>> Toronto, ON
>> Director of Paleontology
>> Great Plains Dinosaur Museum
>> Malta, MT
>> [email protected]
>>
>> The Sauropoda have been considered as the least specialized of the
>> Dinosauria, and in many respects this is doubtless true, but in its
>> adaptation for the application of those mechanical principles which combine
>> maximum strength with minimum weight and increased surface for muscular
>> attachment, the vertebral column of *Diplodocus* exhibits a remarkable
>> degree of specialization, unsurpassed if not unequaled by other
>> vertebrates. - J. B. Hatcher
>>
>

-- 

Thomas R. Holtz, Jr.
Email: [email protected]         Phone: 301-405-4084
Principal Lecturer, Vertebrate Paleontology

Office: Geology 4106, 8000 Regents Dr., College Park MD 20742

Dept. of Geology, University of Maryland
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.geol.umd.edu_-7Etholtz_&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=wesxv_SMaVKxEkLge3OGGOq_DS3BTyz41yI7L5tKw2o&s=TadOg4LNFY3LkeMBdb9PYsqjhX4bRaCwbUDWaDsj8k8&e= 

Phone: 301-405-6965
Fax: 301-314-9661

Faculty Director, Science & Global Change Program, College Park Scholars

Office: Centreville 1216, 4243 Valley Dr., College Park MD 20742
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.geol.umd.edu_sgc&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=wesxv_SMaVKxEkLge3OGGOq_DS3BTyz41yI7L5tKw2o&s=3kqH3iBQN2zNWcARL1cJ22mXPsVJaZVXjC99jAkiNCo&e= 
Fax: 301-314-9843

Mailing Address:        Thomas R. Holtz, Jr.
                        Department of Geology
                        Building 237, Room 1117

                        8000 Regents Drive
                        University of Maryland
                        College Park, MD 20742-4211 USA