Re: [dinosaur] The table of largest sauropods

[Ruben Safir <ruben@mrbrklyn.com>]

Didn't they continually grow through out their lives?  If so, these
estimates are subject to age differences



On 01/23/2017 06:45 PM, John D'Angelo wrote:
> I would take any list of the largest sauropods with a grain of salt.
> Body mass estimates are extremely difficult to pin down, especially in a
> clade notorious for incomplete skeletons. Note also that different
> methods of estimating body mass can yield dramatically different mass
> estimates, as has happened in the case of Dreadnoughtus schrani.
> Volumetric estimates give it a body mass of roughly 20-40 tonnes,
> whereas scaling based on the size of its humerus and femur gives a much
> higher 60 tonnes. Comparing mass estimates found by these differing
> strategies is unwise, and I don't think Wikipedia has distinguished
> between strategies.
> 
> Alamosaurus also deserves to go on the list, as material from an
> indivudual in the same size class as Puertasaurus is known (Fowler and
> Sullivan 2011, APP 56: 685-690)
> The giant Oklahoma Apatosaurus has not, to my knowledge, been assigned
> to A. ajax.
> I'm not sure how good the data for Mamenchisaurus sinocanadorum is,
> either, as I don't know what data Greg Paul based his estimate on precisely.
> 
> On Mon, Jan 23, 2017 at 7:56 AM Poekilopleuron
> <dinosaurtom2015@seznam.cz <mailto:dinosaurtom2015@seznam.cz>> wrote:
> 
>     Good day,
> 
>     I would like to ask, if the wikipedia table of largest/heaviest
>     sauropods is currently valid and up-to-date (it doesn´t seem so)?
>     Could it look like this perhaps? Thank you, Tom
> 
>     1. Argentinosaurus huinculensis - 70 - 96 tonnes
> 
>     2. Puertasaurus reuili - about the same
> 
>     3. Unnamed Patagonian titanosaur - around 77 tonnes
> 
>     4. "Antarctosaurus" giganteus - 40 - 80 tonnes
> 
>     5. Notocolossus gonzalezparejasi - 45 - 75 tonnes
> 
>     6. Apatosaurus ajax - 40 - 75 tonnes
> 
>     7. Futalognkosaurus dukei - 50 - 70 tonnes
> 
>     8. Mamenchisaurus sinocanadorum - 50 - 65 tonnes
> 
>     9. Sauroposeidon proteles - 50 - 60 tonnes
> 
>     10. Dreadnoughtus schrani - 40 - 60 tonnes
> 


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