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The Forgotten Giants by Fragillimus335 The Forgotten Giants by Fragillimus335
The largest dinosaurs in each major group, now including Amphicoelias!! … I had to cheat to fit it in there! All sizes are estimated based on close relatives.

Ceratopsipes-12.1 meters/~18 tons

Spinosaurus-16- meters/10-12 tons

Giant Utah Nodosaur-9 meters/7-8 tons

Dacentrurus-9.5 meters/7-9 tons

Amphicoelias~60+ meters/125+ tons (Assuming Diplodocid proportions)



Now much improved layout, and with an updated Spinosaurus, Dacentrurus and Amphicoelias.
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:iconpds314:
pds314 Featured By Owner Edited May 26, 2016
Has anyone tried a biomechanical model of Amphicoelias Fragillimus?

Also, what about Huaxiaosaurus? Seems it was a good 18+ meters and highly robust, weighing in at 20-25 tonnes. That puts it in competition with the more liberal weight estimates for Paraceratherium, at over twice the length.

(I'm aware it most-likely wasn't a typical member of its species, but still, it's pretty a certain that a 20+ tonne, >18-meter hadrosaur was walking around ancient China).
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:iconfragillimus335:
Fragillimus335 Featured By Owner May 27, 2016  Hobbyist General Artist
Not that I know of, although  don't think a ~150-200 ton land animal is infeasible biomechanically speaking. After all, we have like a dozen sauropods in the 60-80 ton range, and they don't appear dramatically over engineered for their size. 
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:iconfeathereddino:
FeatheredDino Featured By Owner Dec 21, 2014
It looks like that Amphicoelias wasn't that big after all. Sure, still one of the largest, but largest titanosaurs likely exceeded its size.

palaeozoologist.deviantart.com…
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:iconfragillimus335:
Fragillimus335 Featured By Owner Dec 21, 2014  Hobbyist General Artist
That's an old idea from a non-scientist, in an unpublished journal.  The new paper basically argues the exact opposite, and further supports that Amphicoelias is a derived diplodocid, and very similar to Diplodocus.  Zach (paleozoologist, reconstructs the centrum at ~60cm wide, while the new paper make is 90cm.

So far the only two actual scientists to write papers on Amphicoelias think it was 60+ meters long and 122+ tons.  My current estimates put it in the 75 meter and 185 ton range.
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:iconneframe:
Neframe Featured By Owner Jan 18, 2016
Your largest estimation would have it exceed even the blue whale.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Jan 18, 2016  Hobbyist General Artist
Yeah, sadly someone needs to find either the lost vertebra, or some new bones to make these estimates hold any water, but it's fun to speculate.  
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:iconneframe:
Neframe Featured By Owner Jan 18, 2016
Or build a time machine.
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:iconcryptokeybladejordan:
I'll be quite frank, I just learned about Ceratopsipes yesterday and when I googled to see if their were size refferences I was astonished to see this! It's massive! Unbelievable! Great art to I'm now putting you on my favorite artist list up there with Hodarinundu and Teratophoneus. By the way ive decide to build a team of the best of the best paleo artists any Idea of how to start a group? I'm not much of an artist myself though. But I have A LOT of ideas.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Dec 12, 2014  Hobbyist General Artist
Thanks! It's a pretty obscure ceratopsian, and it's size estimates are quite imprecise, but it looks to be significantly bigger than Triceratops… which is already a pretty scary beast! Thanks for the compliments!  Paleoart is just so fun to do.  I don't have any experience starting a group, so I can't really help you there.  But if you get it started, I'll be sure to join! :)
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:iconfate-darknu-dragoon:
Fate-Darknu-Dragoon Featured By Owner Aug 8, 2014   General Artist
I Really like how you made the Triceratops. Great work!
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:iconrandomdinos:
randomdinos Featured By Owner Mar 22, 2014  Hobbyist Traditional Artist
Spinosaurus usually looks out of place whenever you place it in a size comparison, simply cause of it's size. These guys make him not look out of place anymore <:D
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 22, 2014  Hobbyist General Artist
Haha, very true! :D
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:icongoldendoggodess:
GoldenDogGodess Featured By Owner Mar 4, 2014  Student Filmographer
Ohoho! This is so awesome!! 
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 4, 2014  Hobbyist General Artist
Thanks!
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:iconwoundedgazelle1234:
WoundedGazelle1234 Featured By Owner Mar 3, 2014
u forgot hadrosaurs
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 3, 2014  Hobbyist General Artist
It turns out there really isn't a giant forgotten hadrosaur...
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:iconriver-rex:
River-rex Featured By Owner Mar 3, 2014  Student Artist
What about Huaxiosaurus or Magnapaulia?
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 3, 2014  Hobbyist General Artist
Huaxiaosaurus turned out to not be so big, and probably just Shantungosaurus. :(  Magnapaulia isn't forgotten, and it was also not a record breaker.  
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:iconriver-rex:
River-rex Featured By Owner Mar 5, 2014  Student Artist
Oh. Well Spinosaurus isn't forgotten either.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 5, 2014  Hobbyist General Artist
haha, well, it was lost anyway! :)
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:iconrogerrex:
RogerRex Featured By Owner Mar 2, 2014  Hobbyist General Artist
Really great!!!!!! :B The Ceratopsipes it's my favorite of this job :B
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 3, 2014  Hobbyist General Artist
Thanks!
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:icontarbosaurusbatar:
TarbosaurusBatar Featured By Owner Mar 2, 2014  Hobbyist General Artist
I kind of have a feeling Ceratopsipes is just a HUGE Triceratops individual.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 3, 2014  Hobbyist General Artist
It very well could be.
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:icontarbosaurusbatar:
TarbosaurusBatar Featured By Owner Mar 3, 2014  Hobbyist General Artist
Hopefully it is, so Torosaurus could be saved.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 3, 2014  Hobbyist General Artist
Well, Torosaurus is already saved. It is almost definitely its own species, not an "adult" Triceratops.
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:icontarbosaurusbatar:
TarbosaurusBatar Featured By Owner Mar 3, 2014  Hobbyist General Artist
In fact, aren't some Triceratops remains bigger than some Torosaurus remains?
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 3, 2014  Hobbyist General Artist
Yes, and there is news of recently discovered juvenile Torosaurs!
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:icontarbosaurusbatar:
TarbosaurusBatar Featured By Owner Mar 3, 2014  Hobbyist General Artist
Thanks for the info, I'll check it out when I can.
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:iconjonagold2000:
JonaGold2000 Featured By Owner Feb 17, 2014  Hobbyist Traditional Artist
What ceratopsian is that? Eoctriceratops?
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:iconfragillimus335:
Fragillimus335 Featured By Owner Feb 17, 2014  Hobbyist General Artist
No, it is a ceratopsian know only from GIANT footprints, Ceratopsipes goldensis.  If it had feet proportional to its body it would have been over 12 meters long!
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:iconjonagold2000:
JonaGold2000 Featured By Owner Feb 17, 2014  Hobbyist Traditional Artist
Or its just a Triceratops then went to the clown store
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:iconfragillimus335:
Fragillimus335 Featured By Owner Feb 17, 2014  Hobbyist General Artist
Maybe! Or just a really huge old Triceratops!
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:iconsnowysunflowers006:
SnowySunflowers006 Featured By Owner Jan 8, 2014  Hobbyist Writer
Seriously awesome! Love your style! Love dinos to!
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:iconfragillimus335:
Fragillimus335 Featured By Owner Jan 8, 2014  Hobbyist General Artist
Why thank you! :)
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:iconsnowysunflowers006:
SnowySunflowers006 Featured By Owner Jan 8, 2014  Hobbyist Writer
My pleasure :)
Such an awesome drawing of such awesome creatures need another awesome comment :P
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:iconaleksabg:
AleksaBG Featured By Owner Dec 4, 2013
This is my favorite:D (Big Grin) :D (Big Grin) :) (Smile) :happybounce: :happybounce: 
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:iconfragillimus335:
Fragillimus335 Featured By Owner Dec 4, 2013  Hobbyist General Artist
I will probably updated it sometime in the future! And make it even better!
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:iconcarnosauria:
Carnosauria Featured By Owner Jun 22, 2013
It seems that Ceratopispes was about as big as Eotriceratops, or ~ 11 meters.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Jun 22, 2013  Hobbyist General Artist
We have no idea how big Ceratopsipes really was, and it turns out Eotriceratops was probably only about 9-9.5 meters long. But id scaling is a clue Ceratopsipes was almost certainly bigger!
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:iconcoherentsheaf:
coherentsheaf Featured By Owner Jun 17, 2013  Hobbyist
I love the skin patterns!
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:iconfragillimus335:
Fragillimus335 Featured By Owner Jun 17, 2013  Hobbyist General Artist
Thanks!
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:iconthomastapir:
thomastapir Featured By Owner Jun 9, 2013
WOW, it really is impressive when you see them all side by side like this, and then in comparison with the rhino! :omg:

Love your dino anatomy, and this is a beautifully rendered drawing as well!
:iconclapplz:
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:iconfragillimus335:
Fragillimus335 Featured By Owner Jun 9, 2013  Hobbyist General Artist
Thanks much! Poor sad little rhino. :)
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:iconbrolyeuphyfusion9500:
Try using Puertasaurus or Breviparopus to represent the sauropods rather than Amphicoelias...
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:icontitanlizard:
titanlizard Featured By Owner May 12, 2013
Very nice remake
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:iconfragillimus335:
Fragillimus335 Featured By Owner May 12, 2013  Hobbyist General Artist
:D Thanks, in with the new!
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:iconlunardino:
LunarDino Featured By Owner May 11, 2013  Student Traditional Artist
Awesome. :)
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:iconsameerprehistorica:
SameerPrehistorica Featured By Owner Mar 30, 2013  Hobbyist
Usually i don't create an animal known from footsteps.But i want to say this,Triceratops is dangerous enough for its size and can beat any theropod one on one.Seriously the Ceratopsipes as seen in this image is more than danger.I don't believe much in its size and weight,the same for Huaxiaosaurus.Ceratopsipes should be a large individual of some ceratopsian.
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:iconfragillimus335:
Fragillimus335 Featured By Owner Mar 31, 2013  Hobbyist General Artist
The weights are pretty variable, but it the prints are valid, it was at least bigger than Triceratops, which is pretty scary! :0
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