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April 1, 2008
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Onychodus by NTamura Onychodus by NTamura
Onychodus sigmoides is a sarcopterygian fish that lived during the Late Devonian period in marine environments of North America. The genus was most probably cosmopolitan as related species species have been found elsewhere such as in Australia. The 2 meter long onychodus was probably a formidable predator feeding on fish and other sea creatures of the times.
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:iconkawekaweau:
Kawekaweau Featured By Owner Apr 3, 2008
Nice job. ;)
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:iconntamura:
NTamura Featured By Owner Apr 3, 2008
Thanks! :)
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:iconavancna:
avancna Featured By Owner Apr 2, 2008  Hobbyist Traditional Artist
The hideous, hook-like teeth at the end of the mandible could fold.
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:iconntamura:
NTamura Featured By Owner Apr 3, 2008
Interesting!
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:iconavancna:
avancna Featured By Owner Apr 3, 2008  Hobbyist Traditional Artist
That's the conclusion that John Long and crew came to when they worked with intact Onychodus skulls from Gogo Reef, in that, should the jaw close all the way, the teeth would have pierced through the maxilla.
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:iconntamura:
NTamura Featured By Owner Apr 3, 2008
Maybe they never closed their mouth? ;)
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:iconavancna:
avancna Featured By Owner Apr 3, 2008  Hobbyist Traditional Artist
As the Mad Hatter once said to the March Hare, "Please, let's not be silly."
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:iconntamura:
NTamura Featured By Owner Apr 3, 2008
:)
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:iconpiatnitskysaurus:
Piatnitskysaurus Featured By Owner Apr 3, 2008
really?
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:iconavancna:
avancna Featured By Owner Apr 3, 2008  Hobbyist Traditional Artist
That's what John Long found out while working with intact, uncrushed Onychodus skulls from Gogo Reef.

If they didn't fold back, they would pierce through the lower surface of the maxilla.
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