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Submitted on
August 22, 2012
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Dinichthys herzeri by avancna Dinichthys herzeri by avancna
Reconstruction of the mysterious giant arthrodire placoderm, Dinichthys herzeri, from the Famennian Cleveland Shale fauna of Late Devonian Ohio. Reconstruction sort of based on Gorgonichthys.

Much ado has been made about Dinichthys, as it has been made into a wastebasket taxon for decades before it was synonymized into Dunkleosteus (with whom it has been confused for over a century).

Recent research has determined that it is a unique species very distinct from Dunkleosteus (being on separate branches in Arthrodira). Though, so far, it is now only known by the holotype specimens of portions of a ferociously pronged lower jaw.
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:iconelsqiubbonator:
ElSqiubbonator Featured By Owner Aug 29, 2012
What are they eating?
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:iconavancna:
avancna Featured By Owner Aug 29, 2012  Hobbyist Traditional Artist
What may have been a Titanichthys
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:iconelsqiubbonator:
ElSqiubbonator Featured By Owner Aug 30, 2012
But wasn't Dinchthys larger than Tutanichthys?
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:iconavancna:
avancna Featured By Owner Aug 30, 2012  Hobbyist Traditional Artist
It was larger than some of the smaller Cleveland Shale species of Titanichthys, but smaller than the larger Cleveland Shale species.
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:iconpalaeorigamipete:
palaeorigamipete Featured By Owner Aug 23, 2012  Hobbyist General Artist
I love the long fins on all these arthrodires. many of the reconstructions make them eel-like, some make the fins small and I have even seen some quite disturbingly shark-like reconstrctions too (so shark-like that I doubt it's plausible/realistic to portray them in such a way) but your reconstructions stand out. While these creatures look sluggish in other reconstructions - the small fins add to that impression - your ones look dynamic and powerful, and of course agile. =)
I don't know if I have ever told you this, but I just wanted to point it out =)
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:iconavancna:
avancna Featured By Owner Aug 23, 2012  Hobbyist Traditional Artist
I'm always sick of portraying all placoderms as either sluggish bottom dwellers (of those that weren't sluggish bottom dwellers, that is), or as unrealistic sharks with helmets (which they weren't).
I like giving them large pectoral fins to give them a "lift," if you will.
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:iconpalaeorigamipete:
palaeorigamipete Featured By Owner Aug 23, 2012  Hobbyist General Artist
I see. I really like how you portray them, it seems much more plausible than any other reconstructioons and the effect of the big perctoral fins really makes a difference.
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:iconavancna:
avancna Featured By Owner Aug 25, 2012  Hobbyist Traditional Artist
Thank you
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:iconpalaeorigamipete:
palaeorigamipete Featured By Owner Aug 25, 2012  Hobbyist General Artist
you're welcome! =)
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