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Hell Creek Ray-Finned Fish Sketch Dump by Tomozaurus Hell Creek Ray-Finned Fish Sketch Dump by Tomozaurus
NOT TO SCALE

Working out the appearance of Hell Creek's ray-finned fish. The image says everything else.
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:iconrajaharimau98:
RajaHarimau98 Featured By Owner Jun 22, 2012  Hobbyist Traditional Artist
Do you know if the Lance Formation biodiversity was similar to this? I imagine it would be, as many of the Hell Creek dinosaurs are found there.
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:icontomozaurus:
Tomozaurus Featured By Owner Jun 22, 2012  Student General Artist
Yes, I'd imagine many of these species would likely be present at Lance as well, give or take a few due to habitat etc.
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:iconrajaharimau98:
RajaHarimau98 Featured By Owner Jun 22, 2012  Hobbyist Traditional Artist
Ah, I thought so. How would it differ? As Lance Formation is a subtropical coastal plain.
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:icontomozaurus:
Tomozaurus Featured By Owner Jun 22, 2012  Student General Artist
IIRC Lance was on the shore of the WIS, so you'd expect the marine species such as Belanstomas and several of the cartilaginous fish may have been more common there, while some of the freshwater species could have been scarcer. There also may have been brackish water species, and more marine species that would appear at Lance but not HC.
Of course, this is all conjecture, I haven't read any statistics.
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:iconrajaharimau98:
RajaHarimau98 Featured By Owner Jun 22, 2012  Hobbyist Traditional Artist
Ah, I see - sounds most likely to me.
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:iconkitwhitham:
KitWhitham Featured By Owner Jun 11, 2012
Bout time we saw more prehistoric fish on dA!! Great job!!
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:icontomozaurus:
Tomozaurus Featured By Owner Jun 22, 2012  Student General Artist
Thank you!
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:iconkitwhitham:
KitWhitham Featured By Owner Jun 22, 2012
Are you thinking of drawing mesozoic fish from other regions?
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:icontomozaurus:
Tomozaurus Featured By Owner Jun 22, 2012  Student General Artist
Probably not for a while if I do, I have other projects which take priority.
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:iconrajaharimau98:
RajaHarimau98 Featured By Owner May 18, 2012  Hobbyist Traditional Artist
Wonderful! Informative for stories as well.
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
That's the idea ;)
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:iconrajaharimau98:
RajaHarimau98 Featured By Owner May 18, 2012  Hobbyist Traditional Artist
Well then its living up to its purpose. :)
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:iconyoult:
yoult Featured By Owner May 18, 2012  Professional General Artist
Excellent!
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
Cheers man!
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:iconzimices:
Zimices Featured By Owner May 18, 2012  Hobbyist
What kind of fish is Paleosephurus?
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
Paleosephurus is a polydontid, or paddlefish.
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:iconzimices:
Zimices Featured By Owner May 18, 2012  Hobbyist
How large could be these Hell Creek fishes?
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
Most of the papers I read didn't come with size estimates unfortunately. Belonstomus could reach a meter in length. Living sturgeons are very large fish, so these species also have the potential to reach large sizes. The teleosts are all very small. The others gave no indications. They'd just have to be based on modern bowfins, gars, etc.
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:iconzimices:
Zimices Featured By Owner May 18, 2012  Hobbyist
Ok, thanks for the info :)
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:iconyoult:
yoult Featured By Owner May 18, 2012  Professional General Artist
A Paddlefish (Polyodontidae).
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:iconevenape:
Evenape Featured By Owner May 18, 2012  Student Traditional Artist
Is this to scale?
Mesozoic (freshwater / brackish-water) fishes are also quite a rare subject in palaeontography
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
No, this is not to scale. I forgot to put that in the notes...
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:iconevenape:
Evenape Featured By Owner May 18, 2012  Student Traditional Artist
Oh OK, it's weird when you saw those "minute" Plactadon being one-third the size of a sturgeon :XD:
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
I've added it to the notes not to avoid any further confusion.
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:iconevenape:
Evenape Featured By Owner May 19, 2012  Student Traditional Artist
Thanks for your attention :D
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:iconevenape:
Evenape Featured By Owner May 19, 2012  Student Traditional Artist
Great then :D
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:iconeriorguez:
Eriorguez Featured By Owner May 18, 2012
Feels weird to see a fish selection not dominated by teleosts.
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:icontomozaurus:
Tomozaurus Featured By Owner May 18, 2012  Student General Artist
Yes, I was thinking the same thing when collecting the data. The place is full of really charismatic fish, too.
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May 18, 2012
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