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Unknown Markings on Mosasaur Vertebra


Titan

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Hi All, 

 

While prepping a mosasaur vertebra I uncovered a few markings I'd love some feedback on. They were underneath a layer of hard matrix which might explain why they fossilized.

 

Here's a zoomed out view: 

Top one (#1) is approximately 3 mm and the lower one (#2) is ~4 mm. 

01.thumb.jpg.a070999d06313bb09bedabf8394f456f.jpg

 

#1:

1.thumb.jpg.7333a97e716325057c7ed09493fd3171.jpg

3.thumb.jpg.3f5db232424fd87bc6665adc0ee359dd.jpg

 

I am thinking cast of a worm burrow? 

 

#2

5.thumb.jpg.00d386c146d09492e0289ed6c66c9c6f.jpg

 

4.thumb.jpg.dc83f3eeb76ed13507bcbdfbed247208.jpg

 

I really don't know for this one. Any thoughts as to what this might be would be appreciated. 

 

Thanks, 

 

2.jpg

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1 hour ago, Titan said:

I really don't know for this one. Any thoughts as to what this might be would be appreciated. 

 

Thanks, 

 

2.jpg

 

My idea is that it could be an incomplete Caulostrepsis (C. taeniola or C. contorta).

boreas_2012_223.jpg.a9db2c3a126886fff146b0f9df7af8d8.thumb.jpg.3982927938a5b16cb032e213d885e9f3.jpg

Edited by abyssunder
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