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r-heinart — Retrosaur Challenge #3
#dino #herbivore #retro #sauropod #retrosaur #dinosaur #30daychallenge
Published: 2017-11-11 19:46:06 +0000 UTC; Views: 7502; Favourites: 202; Downloads: 29
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3. Long-Necked GoliathBrontosaurus supremus.
Part of the 30 Day Retrosaur Challenge
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Comments: 26
I think Brontotitan would be a better name since Brontosaurus is taken already.
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Didn't I suggest that name during one of our conversations on Discord?
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yes, and im suggesting it to him :>
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nice and the neck was thicker than the usual retro depiction of apatosaurus.
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looks cool, interesting to see the thick neck design on a retro style one
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The real Brontosaurus also had a thick neck. Leave the thin necks for diplodocines. xD
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yeah i know and i LOVE that idea
really gives brontosaurus and its family a really unique look to them other than "hey are more up than diplodocids but lower down than brachiosaurs"
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Yep, they are really cool. In fact, some Apatosaurines were as large as the big Brachiosaurids.
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i remember hearing that
wa brontosaurs ega sized or was it as big as i remember?
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There is a specimen (OMNH 1329) of apatosaurine that is often attributed to Brontosaurus louisae. It was very big, possibly around 35-40 tonnes and 27 meters long. As a comparison, the typical estimates used to describe Brontosaurus species are 18 tonnes for B.excelsus and 22t for B.Louisae.
And there's also Apatosaurus ajax, which is usually described as a 20-25m animal, but some specimens indicate it may have grown much larger than that. Something like a 30-40m long, 50-100t super-apatosaurine. Not only that is bigger than almost all brachiosaurids, it is in giant titanosaur territory.
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interesting, always assumed the apatosaurines were set to a certain maximum size due to their body plan
at what point does one call a sauropod a titanosaur, i know the tell tails with diplodocids, apatosaurs and camarosaurs but i don;t know what makes a titanosaur a titanosaur, is it the ribs are more barrel like?
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Well, titanosaurs share a very significant amount of traits with brachiosaurids, but they are also a VERY diverse group and came in many sizes and shapes.
-Small head, even for a sauropod.
-Wide head.
-Usually, they had large nostrills. Crests were likely too.
-Tails were wip-like, but not as much as those of diplodocids. However, not all of them had long tails.
-Yes, they were mostly very wide. Considerably wider than your average Jurassic sauropod. However, be careful with the super-wide titanosaur claims, ribcage width is pretty speculative. Nowadays I believe in conservative estimates, which are still massive compared to brachiosaurids and diplodocids of similar size.
-In general, they were proportionally more robust than other families, mainly on their legs, torso, neck, etc.
-I'm guessing they probably had the thickest necks of all sauropod families, only matched by the subfamily apatosaurinae, which was also full of "fat necks".
-Their necks were mostly not record-breaking, in terms of length. They fell within average length for a sauropod. Proportionally similar to those of brachiosaurids and diplodocids, and sometimes even shorter (i.e Saltasaurus and relatives), most were very far from mamenchisaurids' neck length, for example.
-Some presented body armor.
-One easy way to spot a titanosaur, aside from its bulk, is to notice that their neutral posture was probably somewhere in between those of diplodocids and brachiosaurids. They may not have stretched their neck as far as a brachiosaurid, but their necks were mostly not horizontal, like in diplodocids.
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i noticed many seem to have brachiosaur like body plans (going off art ad reconstructions)
and i have also heard they came in the most diverse shapes compared to most other sauropods
thank you so much for the advice, i have saved them so i can look back at the for if i draw one
alsoisn;t the inbetweeny bit between brachiosaur necks and diplodocid necks an apatosaur neck?
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Nope, apatosaurine necks were semi-horizontal as far as I know. Here are some good examples, if you want to draw sauropods.
Diplodocine posture
www.skeletaldrawing.com/saurop…
www.skeletaldrawing.com/saurop…
Apatosaurine posture
www.skeletaldrawing.com/saurop…
www.skeletaldrawing.com/saurop…
Titanosaurian posture (I also made sure to pick up both modest and gigantic-sized titanosaurs, to help you understand how they looked like)
www.skeletaldrawing.com/saurop…
www.skeletaldrawing.com/saurop…
Rinconsaurus Profile: Version 2
Futalognkosaurus dukei Mk. X (Calvo edition)
Speculative Bruhathkayosaurus (probably didn't exist, but posture is still good)
Island sauropods
Brachiosaurid posture. (While some think they did not raise their necks over 45 degrees, others think they may have passed 60 degrees. But the thing is, we know that they most definitely DID raise the neck at least at a 45-degree angle.)
Giraffatitan
Brachiosaur comparison (Nima's)
Conservative posture
Brachiosaur Comparison (Scott's)
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thank you so much
these will help me out a ton, thanks
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Also, those island titanosaurs are not very big. So there might be a correlation between being a small titanosaur and having a horizontal posture because once you're small you're probably not going to reach the top of the trees, so why would you have a vertical posture?
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yeah giant herbivores that live on islands tend to be tiny in comparison to main land individuals, just look at elephants for example
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