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Calvariambulus a.k.a. the skullcrawler revisited by Osmatar Calvariambulus a.k.a. the skullcrawler revisited by Osmatar
I went to the skullcrawler Spec Evo Challenge blind, not even looking at what others had already done. Once I uploaded my version I finally took a look and immediately felt bad for not coming up with something less constricted by strict realism and a bit more creative or, you know, monster movie appropriate. Then a comment by AntonellisofbBender sparked an idea I felt I should at least give a try.

Calvariambulus is a truly strange creature that at first look may appear like a hybrid of a stumpy theropod dinosaur and some kind of prehistoric crocodilian, but appearances are deceiving. This perplexing monstrosity is actually a highly derived amphisbaenian lizard, whose lineage split from other amphisbaenians approximately 80 million years ago, after it became isolated on an island remnant of the lost Mauritian continent. As the only carnivores on the island at the time, the ancestors of Calvariambulids gave up their burrowing lifestyles, first becoming ambush predators of the forest floor, hiding in the leaf litter, and eventually growing in size developing much more powerful limbs for walking and even running short distances.

The greatest anatomical oddity of Calvariambulus is the fact that this literally two-limbed animal walks on its forelimbs while the hindlimbs have completely disappeared. This suggests its early ancestors probably resembled the two legged Mexican mole lizard (Bipes). In the last 80 million years an increasingly active carnivorous lifestyle has modified Calvariambulus' body radically to set its center of gravity above its arms, which consequently has shrunk its tail into a barely functional stub that usually hangs limply behind the shortened torso.

Because of its burrowing ancestry, Calvariambulus has a very poor eyesight and tends to use its trichotomous tongue similarly to a snake to find its prey. The reason for its curiously colored head has not yet been determined, as it is unlikely to be an interspecies visual signal. Despite externally bringing to mind an archosaurian skull, the black spots on white background do not follow the undelying anatomy of the skull and are actually more similar to the facial markings of pandas than anything else. It's also unclear if the enlargened neck scutes serve to protect Calvariambulus in interspecies combat or against some even larger predator found on the island that has not yet been identified. Some even theorize that should such a beast exist, the markings of Calvariambulus might imitate the structure of its skull...
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:iconspyrothegenesect:
spyrothegenesect Featured By Owner May 25, 2017  Student Filmographer
it looks so cute its like a two legged prestosuchus
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:iconosmatar:
Osmatar Featured By Owner May 25, 2017  Professional General Artist
Yeah, it sort of is! :D
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:iconkingbiollante:
kingbiollante Featured By Owner Mar 23, 2017  Hobbyist Traditional Artist
I like it! But I think that the eyes in the holes at the back made a bit more sense.
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:iconosmatar:
Osmatar Featured By Owner Edited Mar 25, 2017  Professional General Artist
Thanks! It maybe makes sense for the movie creature, if it had an ancestor with a skull structure compatible with such an eye placement. For an amphisbaenian it doesn't really work though, because that's where the massive jaw muscles of the creature are.
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:iconkingbiollante:
kingbiollante Featured By Owner Mar 31, 2017  Hobbyist Traditional Artist
No problem! That makes sense actually
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:iconshinreddear:
ShinRedDear Featured By Owner Mar 20, 2017
Now that's an incredibly original route ! :D From the same ancestor you went in a totally different direction ! It looks like the lizard version of a pitt bull ! Excellent ! ;)
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:iconosmatar:
Osmatar Featured By Owner Edited Mar 25, 2017  Professional General Artist
Thank you. :) I really like the pit bull comparison, it seems apt.
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:iconchicagosdd:
ChicagoSDD Featured By Owner Mar 18, 2017
Imagine seeing this running after you.
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Not a situation you'd find yourself with! But a situation you'd be guaranteed to find yourself in on Skull Island...
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:iconthederpasaur:
TheDerpasaur Featured By Owner Mar 18, 2017  Hobbyist Traditional Artist
hahah fat boi.
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
:D
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:iconthederpasaur:
TheDerpasaur Featured By Owner Mar 19, 2017  Hobbyist Traditional Artist
:D
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:icondragonmandaniel:
DragonManDaniel Featured By Owner Mar 18, 2017
Lol cool It looks like a bean with legs
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Heh, it kinda does, yeah. :)
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:iconhananas59:
hananas59 Featured By Owner Mar 18, 2017  Hobbyist Traditional Artist
Your old entry was also magnificent but I may like this one better creatively, it's really awesome and you found a wonderful way to describe its traits
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Thanks you! I realized the first entry didn't really work as a monster movie antagonist, so on my second try I decided to try to come up with something that could work as a stand-in for the various tyrannosaur-derivatives from past Kong movies. 
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:iconhananas59:
hananas59 Featured By Owner Mar 20, 2017  Hobbyist Traditional Artist
That's true, but does it have to be? :)

That's actually quite clever though :D
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:iconosmatar:
Osmatar Featured By Owner Mar 25, 2017  Professional General Artist
Like I answered to a different comment, there is no right or wrong approach to the challenge, because it was designed to be very broad. That said, I felt like I had chosen the path of least resistance with the most realistic design I could think of, and wanted to challenge myself to do something, well, less easy I suppose.
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:iconhananas59:
hananas59 Featured By Owner Mar 26, 2017  Hobbyist Traditional Artist
Yes, that's very much true, I think every entry you make fits the challenge, you only need something that's creative.  That way I think both entries are okay :)
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:iconhyrotrioskjan:
Hyrotrioskjan Featured By Owner Mar 18, 2017  Professional General Artist
Very cool! =D
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Thanks! :)
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:iconviergacht:
Viergacht Featured By Owner Mar 18, 2017  Professional General Artist
Neato burrito!
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Thanks :D
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:iconlediblock2:
Lediblock2 Featured By Owner Mar 18, 2017
So a skull sprinter instead of a skull crawler. Interesting.
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
I was trying to go for skullwalker, but I think I may have messed up the Latin. I think Calvariambulator would have been closer, but, oh well.
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:iconantonellisofbbender:
AntonellisofbBender Featured By Owner Mar 18, 2017  Student Filmographer
LOL this looks awesome
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Thanks!
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:iconantonellisofbbender:
AntonellisofbBender Featured By Owner Mar 19, 2017  Student Filmographer
your welcome :)
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:iconhublerdon:
HUBLERDON Featured By Owner Mar 18, 2017  Hobbyist General Artist
Great design!

Might do my own skullcrawler, just watched the movie last night (highly recommended, insane fun throughout, great mix of the spirit of the Original Kong and the Showa-era "tropical island" movies), but it seems everyone's gone for the obvious. Tell me, you know of any species that have three-forked tongues?
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:iconosmatar:
Osmatar Featured By Owner Mar 18, 2017  Professional General Artist
Thanks. :)

To my knowledge three-forked tongues don't exist in nature, probably because it's easier to develop a two-forked one. I was inspired to throw in some elements from the movie skullcrawlers that don't make a lot of sense because I was listening to Memo Kosemen's King Kong review and Kong movie ideas. 
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:iconhublerdon:
HUBLERDON Featured By Owner Mar 18, 2017  Hobbyist General Artist
Okay!

Link please?
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:iconosmatar:
Osmatar Featured By Owner Mar 19, 2017  Professional General Artist
Here's the review: youtu.be/VDFR2mO1vLc

The general King Kong/Skull Island episode: youtu.be/DO7u68CBUfw
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:iconhublerdon:
HUBLERDON Featured By Owner Mar 19, 2017  Hobbyist General Artist
...okay. Wow!

That movie definitely would NOT get made by Hollywood, but it would be unlike anything seen before. You should really draw a poster for it.
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