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Teratophoneus's avatar

Ichthyovenator laosensis

Meet the latest spinosaurid on the block- Ichthyovenator! Its name means fish hunter due to its style of life. The animal was a baryonychid with an unique feature: a double sail!. The first and bigger one was on its back, the other one on its hips. Ichthyovenator was closely related to baryonyx but lived in Asia. It was described in 2012.
This is the third one on DA but it is the first one in a size comparison hahahahahaha,
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© 2012 - 2022 Teratophoneus
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Rolandixor's avatar
Brings joy to my soul every time I see an illustration of a theropod without feathers (and thus accurate :D)

Great work! I didn't know there were so many known Spinosaurids until recently :)
grroselli's avatar
was its total length 9 meters?
piche2's avatar
Dino-Mario's avatar
Din0scarex's avatar
TheOneTrueSirCharles's avatar
Awesome, I think some sailfish have split sails.
TheComicCreator's avatar
That's so interesting! Now the Spinosauroids have an "odd one out" too! :D
Like the short-necked saurapod or long-necked stegasauroid whose names I never seem to remember :3
Teratophoneus's avatar
you mean Brachytrachelopan and miragaia :)
TheComicCreator's avatar
And I would've been right if I typed Miragaia :XD:
But yes, that's what i meant, thanks for jogging my memory :)
Drachenvuur's avatar
Wow, a double sail; never seen that before!
Excalibur-T005's avatar
Interesting. I wonder what the purpose of the split sail could have been?
RickRaptor105's avatar
Make it easier for the male to mount the female? :lol:
Excalibur-T005's avatar
That's one possibility. Another is that the elimination of a semi-rigid sail of bone and skin might improve mobility.
Hyrotrioskjan's avatar
exactly my thoughts =D
malevouvenator's avatar
Its from late cretaceous¿
malevouvenator's avatar
Its from late cretaceous¿
Teratophoneus's avatar
no,early cretaceous
RickCharlesOfficial's avatar
The double-sail seems rather iffy to me. It almost looks as though that segment of the sail could have "gone missing" or something, thus appearing like there is a dip in the vertebrae height. Coincidentally around the same area Concavenator's hump dips, just over the hip structure. I wonder if that is a weak area that doesn't preserve extended vertebrae well rather than an actual anatomical characteristic.

But what do I know?
Excalibur-T005's avatar
I would hope that the paleontologists responsible for classifying this species and drawing the conclusion about the split sail would not have made that conclusion if the vertebrae over the hips were not complete enough to be sure.

With regards to the strength of the area, the vertebrae near the hips tend to be stronger (and thus, likelier to be preserved) than those in the tail, because they are some of the thickest and heaviest vertebrae.
LavaZombie's avatar
These dinosaurs just keep getting more and more bizarre.
quicksilver123's avatar
love the art. but how do you know that there's two sails? could it just be a single sail with a broken vertebra? :o
Teratophoneus's avatar
I thought of that too. But there arent any photos of the holotype, so I cant say for sure.
quicksilver123's avatar
there should be a paratype to support the new specie claim... but yeah, i cant find the paper either. maybe it'll surface up in a later date.
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