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More from *ScottHartman

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:iconsauropodomorpha: #sauropodomorpha
 :iconskuntabria: #Skuntabria
One world. Many ages.

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January 26, 2011
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:iconscotthartman:
The classic diplodocid, Diplodocus carnegii. A surprisingly small sauropod (10-14 tons) that was also ridiculously long.

Edit: The continuing march of sauropod updates...erm...marches on? Reposed and made additional silhouette changes.
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:iconblade-of-the-moon:
~Blade-of-the-Moon May 4, 2013  Professional Traditional Artist
Nice, saving this one now. I hope to create a Diplodocus scaled around 45' or so. Might get to her next year.
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:iconsomnium-23:
~Somnium-23 May 4, 2013
Where exactly does the name "double-beam reptile" come from?
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:iconscotthartman:
*ScottHartman May 4, 2013  Professional Digital Artist
What olyolyoxenfr said - The chevrons (the bones on the underside of the tail) transition into a double "beam" That stretches almost a full vertebral length.
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:iconolyolyoxenfr:
~olyolyoxenfr May 4, 2013
It refers to the "double-beamed" chevrons on the underside of the tail.
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:iconzewqt:
~ZeWqt May 4, 2013
From the tail and the neck I guess.
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:iconaction-figure-opera:
~action-figure-opera May 3, 2013
Do you think the whipping tail for circulatory purposes is a viable theory? Isn't there some risk of vascular eruptions?
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:iconzegh8578:
~ZEGH8578 May 4, 2013
I think one must remember that evolution does not work towards goals. The tail may have had one origin - and as it changes, it takes on new roles. It could be heat related, it could be sexual selection, it could be defense - or it could be all at once or at different points in time.

I think of for example vultures, who's featherlessness around the head begins as a means to avoid blood and goo in their feathers - but in some species it has "moved into" the category of sexual selection. It still retains its original function, but now has a "different reason" to appear as it does.

/ramble :D
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:iconscotthartman:
*ScottHartman May 4, 2013  Professional Digital Artist
I don't think that the whipping action per se is connected to circulatory use, but having a really long tail might be important for shedding heat generated by exercise.
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:iconpristichampsus:
~Pristichampsus May 3, 2013  Professional General Artist
I had a hypothesis once that it was for tactile purposes, to keep them in a group while feeding with their heads down.
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:iconaction-figure-opera:
~action-figure-opera May 3, 2013
You mean they would curl their tails together and form a sort of tangle?
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