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maya14

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Good morning everyone!

 

I was hoping someone would be able to help me identify this weird looking fossil. I researched it for days and think it may be a really worn down sea robin skull!


It is the size of a US quarter (24.257 mm in diameter)

 

I found it while sifting for sharks teeth in Fernandina Beach, Florida (Nassau county). Anything helps! Thanks in advance!

DSC_0071 2.jpg

DSC_0074 2.jpg

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Could be a tilly bone.

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Accomplishing the impossible means only that the boss will add it to your regular duties.

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Tilly bone is what came to my mind as well.

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Mark.

 

Fossil hunting is easy -- they don't run away when you shoot at them!

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This is from a modern Snapping Turtle which may not be the same as yours but I'm just trying to demonstrate what I think I see.  These are the neck vertebrae and yours would just be the upper part of the vert, the body of it is missing.  The two "prongs" would be the articulating surfaces with the next vert.  I'm certainly not positive, but that's what your find reminds me of.

 

Turtle_Vert.thumb.jpg.8eabc8d477035847253aa8a033b22951.jpg

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Hyperostotic neurocranium element from a fish.  Here's a bad picture from a book (my fault, not the book's):

KIMG4237.thumb.JPG.391ae09fe3f285a7f297d3f2ac1a550d.JPG

Edited by Fin Lover
Clarified that the poor picture was my fault, not the book's.
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Fin Lover

 

image.png.e69a5608098eeb4cd7d1fc5feb4dad1e.png image.png.e6c66193c1b85b1b775526eb958f72df.png

image.png.7cefa5ccc279142681efa4b7984dc6cb.png

My favorite things about fossil hunting: getting out of my own head, getting into nature and, if I’m lucky, finding some cool souvenirs.

 

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Looks like Fin Lover beat me to it.

 

I think this is a hyperostosed fish neurocranium. Similar looking fossils are found at Ponte Vedra in Florida and Myrtle Beach SC.

 

Here’s Ponte Vedra fossils from this thread-http://www.thefossilforum.com/index.php?/topic/74763-need-more-help-with-fossil-id/

 

441313E9-46C4-4074-B044-64101B1F1D2E.thumb.jpeg.b71475e069c00f8fdfd6d53f79f49f30.jpeg
And Myrtle Beach from this thread-http://www.thefossilforum.com/index.php?/topic/85616-found-at-myrtle-beach/

2868F480-9FD0-41C5-A479-4D02CE2429E6.thumb.jpeg.7b0f4ee82b6cdbc46875e8e5328d2948.jpeg

 

 

Edited by Al Dente
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Here is one I found:

 

 

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Fin Lover

 

image.png.e69a5608098eeb4cd7d1fc5feb4dad1e.png image.png.e6c66193c1b85b1b775526eb958f72df.png

image.png.7cefa5ccc279142681efa4b7984dc6cb.png

My favorite things about fossil hunting: getting out of my own head, getting into nature and, if I’m lucky, finding some cool souvenirs.

 

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Thank you all for the help! After looking at some other threads and with the help of yalls input I too believe its a tilly bone! Thanks!

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23 hours ago, Al Dente said:


Looks like Fin Lover beat me to it.

 

I think this is a hyperostosed fish neurocranium. Similar looking fossils are found at Ponte Vedra in Florida and Myrtle Beach SC.

 

Here’s Ponte Vedra fossils from this thread-http://www.thefossilforum.com/index.php?/topic/74763-need-more-help-with-fossil-id/

 

441313E9-46C4-4074-B044-64101B1F1D2E.thumb.jpeg.b71475e069c00f8fdfd6d53f79f49f30.jpeg
And Myrtle Beach from this thread-http://www.thefossilforum.com/index.php?/topic/85616-found-at-myrtle-beach/

2868F480-9FD0-41C5-A479-4D02CE2429E6.thumb.jpeg.7b0f4ee82b6cdbc46875e8e5328d2948.jpeg

 

 

I don't see a reference in either of those threads to a hyperostosed neurocranium.  Why do you think the OP's find is hyperostosed?  Looks to me to be a normal part of a neurocranium.

http://pristis.wix.com/the-demijohn-page

 

What seest thou else

In the dark backward and abysm of time?

---Shakespeare, The Tempest

 

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2 hours ago, Harry Pristis said:

I don't see a reference in either of those threads to a hyperostosed neurocranium.  Why do you think the OP's find is hyperostosed?  Looks to me to be a normal part of a neurocranium.

I said hyperostotic because I am a beginner and that is what the book I have says.  I don't know enough to be able to tell the difference between regular and hyperostotic.  :) I have no doubt that Al Dente can give you a reason, though.

Fin Lover

 

image.png.e69a5608098eeb4cd7d1fc5feb4dad1e.png image.png.e6c66193c1b85b1b775526eb958f72df.png

image.png.7cefa5ccc279142681efa4b7984dc6cb.png

My favorite things about fossil hunting: getting out of my own head, getting into nature and, if I’m lucky, finding some cool souvenirs.

 

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11 hours ago, Harry Pristis said:

I don't see a reference in either of those threads to a hyperostosed neurocranium. 


Here you go.

 

87D6F799-ADAC-4DCB-BAE2-19AEC2E5067D.jpeg

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11 hours ago, Harry Pristis said:

Why do you think the OP's find is hyperostosed? 


Because it is a noticeably thickened skull element. Bones of typical fish skulls are thin and flaky and normally won’t easily fossilize under most conditions. Thickened bones will more easily fossilize and in some deposits will be concentrated and readily found. I frequently collect in the Rushmere Member of the Yorktown Formation where fish bone is abundant but the vast majority is hyperostosed, normal thin flaky fish bone just doesn’t last long while thick bone becomes mineralized and concentrated in the deposit. 

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