Jurassic World Movie News

The size of Suchomimus Tenerensis

Carnosaur

MemberCompsognathusAugust 14, 20144842 Views17 Replies

Today, we look at the most intact Spinosaurid known, and one of my personal favorites.

Suchomimus is known from several partially complete individuals, and from that we have more to work with, versus, oxalaia which we have very little of.

But, first we take on the controversial issue of this individual being a subadult animal.

 if I remember correctly, no where in Sereno et al. 1998 says that the Suchomimus holotype is subadult, Holt'z list 12m, why? I don't know, Sereno said "around 11m" in his typical vague fashion, Hartman's skeletal is 11.8m though. I have yet to read anything on cervical vertabrate being unfused, or any bones that were unearthed for that matter. Unfused bone is characteristic of immature animals, so this is usually what we look for.

From a paper released recently after Suchomimus' discovery in '97(lengths are in milimeters):

BoneSuchomimusBaryonyxAllosaurus Lengths Humerus 560 483* 310 Radius 255 225 222 Metacarpal III 130 ? 101 I 190 173* 102 II 165 ? 92 III 120 120* 54 Femur 1075 ? 850 Tibia 945 ? 690 Ratios Radius/humerus 0.46 0.47 0.72 I/radius 0.75 0.77 0.46 II/I 0.87 ? 0.90 III/I 0.63 0.69 0.53 Tibia/femur 0.88 ?

 

With these numbers, we can tell it was already larger then both height and perhaps length.  Spinosaurs, being  moderately built animals, weren't record breakers weight wise. Suchomimus doesn't appear to be as gracile as baryonyx, and it being a couple meters longer and a bit more robustly built we can say with the uttermost certainty that Suchomimus was a tad bit larger.

Piecing the skull fragments together, Suchomimus had a skull just under four feet in lenght.  (1,2 m or 3 ft 11,25 in)

the 1:8 ratio designed for theropods(what i've referred to as the eights rule constantly here),

3.8 x 8 yields~ 30.4 feet. 

That just seems off to me, and consulting Scott Hartman on DeviantArt, i've come to the conclusion that this ratio doesn't fit too well with the spinosaurids.

Femur/ weight ratio provides a TBW of 3.4 tons

Baryonyx weighed approximately 2 tons, and is considered a subadult as well(i'll get to that guy later)

Scaling up  a baryonyx to 11 meters, provides us with 3.76 tons.

Having no other relatively close(or reasonably intact) spinosaurs to base off of, this is what we have.

Overall, Suchomimus Tenerensis was roughly 11.5 meters in length, and tipped the scales at 3-4 tons.

 

Nature doesn't deceive us; it is we who deceive ourselves.

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Sci-Fi King25
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I agree with your estimates. Nice choice to do the size of.

“Banana oil.”- George Takei, Gigantis: The Fire Monster

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Hiphopananomus
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I agree with those estimates.

"Somewhere on this island is the greatest predator that ever lived. Second greatest predator must take him down."Roland Tembo"

"Jurassic park: The Lost World"

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Tyrant king
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Interesting. What's next.

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Carnosaur
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Sucho has been a long time in the making for the series...

@Predator x - i'm not too sure. The one's i've done recently weren't even slotted to make an appearance in this series...do you have any suggestions?

Nature doesn't deceive us; it is we who deceive ourselves.

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Tyrant king
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What's in the series?

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Carnosaur
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other then what i've covered?

I plan to do:

Torvosaurus

Alamosaurus

Eotriceratops

Deinocheirus

Saurophaganax

Chilantaisaurus

....And whatever you guys want to see!

 

Nature doesn't deceive us; it is we who deceive ourselves.

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Tyrant king
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I've  wanted to see al of those.

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Hiphopananomus
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Thought you were doing Shantungosaurus next? And for suggestions 

myabe, titanoceratops?

"Somewhere on this island is the greatest predator that ever lived. Second greatest predator must take him down."Roland Tembo"

"Jurassic park: The Lost World"

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Carnosaur
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i was gonna do shantungosaurus a hell of a long time ago....and titanoceratops is a good one too..

Shantungosaurus tomorrow? unless you guys wanna see something different, of course

Nature doesn't deceive us; it is we who deceive ourselves.

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Hiphopananomus
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I'd like shantungo tomrow, always found it a bit hard to decide a size for it.

"Somewhere on this island is the greatest predator that ever lived. Second greatest predator must take him down."Roland Tembo"

"Jurassic park: The Lost World"

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Allotitan
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Good post as always Carnosaur

 

as a suggestion how about Tyrannotitan, Bahariasaurus, and Piatnitzkysaurus

When life gives you lemons, don't make lemonade. Tell life I don't want you're damn lemons, and then squeeze them into life's eyes!

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Lord Vader
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Nice job on this, agreeable estimate. I don't have any suggestions. 

Jack of all trades. Master of none

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Rex Fan 684
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Nice. I always found the "adult" 12 meter long, 5-7 ton estimates people throw out there, uh, troubling. I see 11 meters and 3.5 tons as very reasonable(that's what I have on my site).

 

Suggestions, I'd like to see more herbivores. We've been seeing a ton of carnivores. But I'd love to see Ceratosaurus. Maybe Ceratosaurus could be done(I don't think you did Ceratosaurus yet at least).

"Men like me don't start the wars. We just die in them. We've always died in them, and we always will. We don't expect any praise for it, no parades. No one knows our names." ―Alpha-98
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Tyrant king
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Ankylosaurs 

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Dr. Alan Grant
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Pretty nice topic Carnosaur. To some extend I agree with everything you have stated but there are some stuff I want you to see:

Check this Suchomimus skeleton out:

As you can see, they were fairly bulky creatures. I think it averaged a weight of 3-5 tons. As for the holotype specimen of a sub-adult 11m Suchomimus, I heard it's bones were not fully mature. Just my 2 cents

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Carnosaur
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They were robust for Spinosaurid standards. When i first saw a the display at my local museum my first thought was "damn"...and that's it haha..

I too heard the caudal vertabrate weren't completely fused(hinting at a subadult on the onset of maturity), i even vaguely remember reading it in Sereno's initial description of the animal, but i can't find anything of the sort any where nowadays..which is weird.

a 12 meter Sucho isn't outside the realm of possibility, not by a long shot and a twelve meter animal would have little trouble weighing 4-5 tons

Nature doesn't deceive us; it is we who deceive ourselves.

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Dr. Alan Grant
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Was exactly my reaction when I say a Suchomimus as well! Don't know why people kept saying they were fragile built because that isn't true.

 

Exactly, I do wonder if other papers were mentioned in Suchomimus part. I still have not found any of them but that's maybe because I was never looking that often haha.

 

Agreed.

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