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Umoonasaurus by NTamura Umoonasaurus by NTamura
A strange Aussie plesiosaur: spinops.blogspot.com/2014/03/u…
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:iconunclebourbons:
UncleBourbons Featured By Owner Jul 29, 2016
Wow, it's perfect wrestling size!
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:iconzimices:
Zimices Featured By Owner Mar 13, 2014  Hobbyist
Nice. Is it one of these freshwater plesiosaurs?
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:iconntamura:
NTamura Featured By Owner Mar 13, 2014
No, it's marine. Lived in the Australian Interior Seaway during the mid-cretaceous...
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:iconzopteryx:
ZoPteryx Featured By Owner Mar 5, 2014  Hobbyist General Artist
Nice work!  Is this the opalized specimen known as Dave?
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:iconntamura:
NTamura Featured By Owner Mar 5, 2014
Nope. Eric's the name.
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:iconzopteryx:
ZoPteryx Featured By Owner Mar 6, 2014  Hobbyist General Artist
Doh, meant Eric, don't know where I got Dave from! Sweating a little...    I've seen the specimen in person and it's very cool, but I don't recall noticing those funny ridges on the head.  Are there other specimens that preserve these, or is my memory just that bad? ;) (Wink)   The diorama accompanying the specimen certainly didn't portray it with them.
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:iconntamura:
NTamura Featured By Owner Mar 6, 2014
The ridges are not very apparent on the fossil but have been described in the original paper. They are also represented on the diorama displayed at the museum but not as prominently than in the one that came out in the press release (look closely). The one thing I am unsure is the size of the animal. The original paper puts it at 2.5 m but when I scale the size of the skull with the picture of the entire skeleton I came up to something more like 1.8 m. Since you've seen the specimen in person, you might be able to tell.
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:iconzopteryx:
ZoPteryx Featured By Owner Mar 7, 2014  Hobbyist General Artist
In fact, here's the place with photos link.
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:iconntamura:
NTamura Featured By Owner Mar 8, 2014
Oh, I see.
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:iconzopteryx:
ZoPteryx Featured By Owner Mar 7, 2014  Hobbyist General Artist
1.8 meters sounds more like what I saw, perhaps the 2.5 meter estimate accounts for missing material.  And when I aw it, it was on display at a small rock and gem shop/museum in Sydney, that must have been its temporary home.  The diorama they had there just made them look like generalized little plesiosaurs, granted this was over five years ago. :) (Smile) 
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:iconntamura:
NTamura Featured By Owner Mar 8, 2014
Well, there isn't much missing in terms of length so 1.8 m is probably more correct...
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:iconryivhnn:
Ryivhnn Featured By Owner Mar 5, 2014   Digital Artist
See, everything over here has always been historically weird so all of our weird stuff is perfectly normal!

That one has an air of future turtle about it.  But man another one with those teeth.
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:iconntamura:
NTamura Featured By Owner Mar 5, 2014
:D
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:icondinobirdman:
DinoBirdMan Featured By Owner Mar 5, 2014  Student Artist
Didn't seen that.
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:iconntamura:
NTamura Featured By Owner Mar 5, 2014
Ah?
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:icondinobirdman:
DinoBirdMan Featured By Owner Mar 6, 2014  Student Artist
And seriously, this is a new specie?
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:iconntamura:
NTamura Featured By Owner Mar 6, 2014
Was described in 2006...
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:icondinobirdman:
DinoBirdMan Featured By Owner Mar 6, 2014  Student Artist
Oh!:O

I see...^^
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:icontyrannotitan333:
Tyrannotitan333 Featured By Owner Mar 5, 2014  Hobbyist General Artist
Wait... this is known from an almost complete opalised skeleton? Any images?
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:iconntamura:
NTamura Featured By Owner Mar 5, 2014
The original paper only shows picture of the skull but the rest of the remains are mentioned. The fossil is on display at the Australian Museum of Sidney and somebody posted a picture of it here (you have to scroll down close to the bottom of the page): donsmaps.com/dinosaurs.html
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:iconfarhan43:
farhan43 Featured By Owner Mar 5, 2014  Student General Artist
It looks very cute
Plesiosaur are my classic favorite dinosaur
Please do Australovenator and Rhoetosaurus, too. They're Aussie dinos
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:iconntamura:
NTamura Featured By Owner Mar 5, 2014
Plesiosaurs aren't dinosaurs btw. Have to read the paper for Australovenator or Rhoetosaurus...
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:iconfarhan43:
farhan43 Featured By Owner Mar 5, 2014  Student General Artist
So, you're drawing Aussie dinosaurs and plesiosaurs right now?
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:iconntamura:
NTamura Featured By Owner Mar 5, 2014
No, just Aussie marine reptiles
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:iconfarhan43:
farhan43 Featured By Owner Mar 5, 2014  Student General Artist
Can you draw Taniwhasaurus?
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:iconntamura:
NTamura Featured By Owner Mar 6, 2014
I may do New Zealand critters later...
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:iconfarhan43:
farhan43 Featured By Owner Mar 6, 2014  Student General Artist
What kind of critters?
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:iconntamura:
NTamura Featured By Owner Mar 8, 2014
Plesiosaurs, Ichthyosaurs, that sort of things
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(1 Reply)
:icontyrannotitan333:
Tyrannotitan333 Featured By Owner Mar 5, 2014  Hobbyist General Artist
Plesiosaurs technically aren't dinosaurs, or even archosaurs (in case you don't know the same group of reptiles that includes crocodilians and pterosaurs) - instead they are a part of their own group called Sauropterygians (which are actually more closely related to lizards than dinosaurs). Don't feel bad though - it's a common mistake (like how people call pterosaurs dinosaurs as well).
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:iconfarhan43:
farhan43 Featured By Owner Mar 5, 2014  Student General Artist
Sorry for my mistake
Not anything ending in -saurus is a dinosaur. The crested lizard (Hydrosaurus amboinensis) from my country is not even a dinosaur even though it ends in -saurus

If plesiosaurs aren't dinosaurs, so my classic favorite dinosaur would be Albertosaurus!
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Submitted on
March 4, 2014
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