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Remember the (subadult) Alamosaurus
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© 2010 - 2019 ScottHartman
Actually named after the Ojo Alamo Formation, not the tourist trap in Texas. Otherwise a fairly normal Late Cretaceous titanosaur, and one you can actually draw interacting with T. rex.

New edit: The new specimen that was mounted in Dallas has made it clear that there are important changes in the neck between the younger specimens and a large adult. You can see the adult version here: [link]

As near as I can tell the proportions shown here are those of a half-grown individual.
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Adobe Photoshop CS6 (Windows)
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Comments (68)
Paleo-reptiles's avatar
Hello Scott

Did Alamosaurus  and  Argentinosaurus have an armour skin in back of body like titanosaurs, aligators and Ankylosaurs? How and why?

Did Giganotosaurus have a prey method like Allosaurus ?
Do Teeth and jaws in both  them were meat eater for preying herd of giant
sauropods?

The numbers of predators of a herd in Allosaurus, Giganotosaurus and T.rex for preying giant sauropods was similar each other? How and why? which one have the most numbers in group method prey? What is your personal reasons?

Do T.rex can use their bone broker teeth and jaws for cut thick of alive giant Alamosaurus? or  T.rex was just  scavanger of their carcaces like spotted Hyena? How and why?
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paleosir's avatar
paleosir|Hobbyist General Artist
1. All sauropods were likely covered in thick scales that would protect them, but not quite like ankylosaurus or crocodiles because they weren't ossified (made from bone) but besides having these thick scales, Alamosaurus had diagonal keratin spikes with bone cores on it's back. Argentinosaurus likely had stouter, rounder armored studs on it's back like Mendozasaurus.

2. Both Allosaurus and Giganotosaurus may have hunted sauropods, but probably not the giant ones such as Alamosaurus: they are too big.

3. It is not known wether they hunted in packs, so the numbers are also unknown.

4. No, a giant 30+ m Alamosaurus would have had bones too thick for even a T.rex to bite through, at least, the bones it can reach. T.rex likely didn;t hunt adult, giant Alamosaurus (~60 tonnes) but instead may have hunted juveniles or young ones.
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Paleo-reptiles's avatar
Hello Scott


 1- Alamosaurus was a relatives of Argentinosaurus that migrate to north america? How and why?

2- Which one of them were the bigger in length and weight ? How and why?

3- Do exist any Argentinosaurus in south america in same time that
Alamosaurus  exist?

4- you told me, .... Giganotosaurus and Allosaurus prey long neck dinosaurs because their teeth and jaws was meat cutter ..... but teeth and haws of T.rex was good for break bones of Triceratops and Ankylosaurus  Therefore, How .rex prey fast giant  Hadrosaurs and giant  Alamosaurus (mountain of meat) ?

Do documents  about teeth mark of T.rex in bones of Alamosaurus was related to scavanger of carcace like a hyena ? 

T.rex was like spotted  hyena or a lion? both them prey animals but lions just prey a live animals but spotted  hyena with their powerful jaws enjoy of carcaces too. however. Heyna are low speed predator and lions have good speed in chased animals.... How about T.rex ?
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thedinorocker's avatar
Hi Mr Scott!
I'm reading the new paper describing a giant Alamosaurus cervical verts (on which you based your adult Alamosaurus I suppose), and the statement "Alamosaurus cervical morphology Resemble south American giant titanosaurs" excited me so... Will the incoming Argentinosaurus redescribe old remains or there is new material as some rumors claimed? Or is simply under embargo and I have to wait this fall?
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
I am not personally aware of new material, but that doesn't mean there couldn't be some.
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PedroSalas's avatar
PedroSalas|Professional Traditional Artist
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Algoroth's avatar
Algoroth|Professional General Artist
Scott! I can't give an official critique, but f%&k them if they can't take a joke. Knowing that even the experts don't have the whole skeleton story, how can I say you're right or wrong about it? I'll simply review it as an artist and how it affects me. 

This is quite an elegant looking animal, which looks here as if it's really walking. You do give an idea of the mass of this young giant, which is something a lot of paleo-artists miss. Too many reconstructions and restorations of giant dinos look like they could be the size of a small dog, but you avoid that pitfall here. 

You know me; I'd like to see more muscle hinting in the front limbs and chest area, but at least you don't starve the poor beast, like some paleo-artists do. Excellent job! :clap:
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keesey's avatar
Where's the basement?
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
The basement?
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
Ah, lol!
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PivotShadow's avatar
Pfft...So many title puns...
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
Hey, you go ahead and post over a hundred technical illustrations that take 12-30 hours apiece and see how straight-laced you place it!

;)
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iherduleikdragonites's avatar
iherduleikdragonites|Hobbyist Traditional Artist
Hooray! A skeletal of my favorite sauropod! This will help me with drawings! Good job!
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Archanubis's avatar
Wonder why you never see T-Rex and this guy with each other...
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thediremoose's avatar
You do. They're both preserved at the North Horn Quarry in Utah.
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Saberrex's avatar
Saberrex|Hobbyist General Artist
America's largest sauropod, for the time being.
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
Not if you believe estimates for A. fragilimus. But otherwise, yes.
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Saberrex's avatar
Saberrex|Hobbyist General Artist
From what i've read, Alamosaurus was similar in size to Puertasaurus and Argentinosaurus based on the larger individual bones found.
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
Correct, it's in that size range. But if Amphicoelias fragillimus is really as big as some have claimed (hard to check since the specimen is lost) it would have been larger, and it's from North America. That's all I was getting at :)
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DinoBirdMan's avatar
DinoBirdMan|Student Artist
So alamosaurus is now from San Juan county, New mexico, I was in la plata new mexico too!
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B1izzardHawk's avatar
I'm from san antonio, texas; home to THE alamo
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ScottHartman's avatar
ScottHartman|Professional Digital Artist
But not the Alamosaurus ;)
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TyrannosaurusJoel's avatar
Do you mind if I use this as a reference to create a restoration? I credit you as the reference, of course.
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anonymous's avatar
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