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Helicoprion as chimeroid
By DiBgd   |   Watch
79 15 3K (1 Today)
Published: March 30, 2014
Helicoprion shown as chimeroid-like. 
Image size
3300x2550px 3.16 MB
IMAGE DETAILS
Software
Adobe Photoshop Elements 8.0 Windows
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Comments (11)
acepredator's avatar
Finally an accurate depiction. A chimera, but with the build of the open-water apex predator it was.
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King-Edmarka's avatar
King-Edmarka|Hobbyist General Artist
Wonderful work!  But why the absence of Pelvic fins?  I see that a lot on depictions of Helicoprion.
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avancna's avatar
avancna|Hobbyist Traditional Artist
Apparently, those few eugeneodontids known from whole fossils all lack pelvic and anal fins.
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vasix's avatar
vasix|Hobbyist Digital Artist
Hey...um...do you have any research papaers about this?
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avancna's avatar
avancna|Hobbyist Traditional Artist
Whole body fossils of the related genera Caseodus and Romerodus demonstrate the eugeneodontids lacked anal and pelvic fins.  A Pictorial Guide To Fossils has photographs of them.
www.amazon.com/Pictorial-Guide…
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JustaRandomGourgeist's avatar
JustaRandomGourgeist|Hobbyist Digital Artist
then..... HOW ON EARTH DID THEY MAKE BABIES?!
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avancna's avatar
avancna|Hobbyist Traditional Artist
They could probably still guide each other.
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King-Edmarka's avatar
King-Edmarka|Hobbyist General Artist
Hmm, strange.  I wonder what evolutionary purpose that would serve...
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avancna's avatar
avancna|Hobbyist Traditional Artist
Not all structures necessarily have a purpose: such a state could have been due to extreme streamlining, or could have been due to an accumulation of mutations or deletions that causes the loss of those fins that did not negatively impact the ability of eugeneodontids' swimming ability.
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PeteriDish's avatar
PeteriDish|Hobbyist General Artist
that puzzles me too
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