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Found in Mushelkalk (nothosaurus?)


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Hi,

 

A few yeras ago I found that in muschelkalk. One paleontologist says it is the rear of a nothosaurus skull... I have some difficulties to see that. Any help would be great ;-)

Size : 17cm long

 

20230818_181410.thumb.jpg.ffcc25f4593144cba7fa9672448e0be7.jpg 

 

20230818_181423.thumb.jpg.45989a90163ba98e00b854f4643125f1.jpg

 

 

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Ludwigia

Sorry I can't help you, but maybe you should ask your paleontologist to explain to you what he's seeing. Maybe that would help.

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Unfortunately i don't have his contact anymore (25 years ago...) 

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pachy-pleuro-whatnot-odon

The high degree of symmetry in the bone suggests that the bone derives from close to the axial midline, with its flat geometry suggesting something like a pectoral (if not pelvic) girdle element. In fact, the overall shape kind of makes me think of paired plesiosaur coracoids. The problem is, that I doubt this is early plesiosaur, and it doesn't match nothosaur (at least not from what I've been able to find), so I'm a bit at a los as to what this could be. Maybe @rocket or @Pemphix would have an idea?

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unsure, could you go to prep it? looks a bit like front of a lower jaw or upper skull, but in the condition as it is I am afraid to give a clear answer

Nevertheless, looks like a great find!

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pachy-pleuro-whatnot-odon
2 hours ago, Steph67 said:

Ok, but this is bone, correct?

 

Yes, this definitely is bone. No doubt about that. You can tell from the fibrous part on the top left of the first photograph.

 

2 hours ago, Steph67 said:

Here is a skull of nothosaur. In red should it be this part?

 

image.png.c4cda976ff3d05a4129b352d90f626b0.png

 

Indeed, I hadn't even considered this. But flat bone could, indeed, also be part of a skull. In that case, however, more likely to be the ventral side of the lower jaw, seeing as there seems to be something of a medial suture present, but none of the fenestrae or other suture lines you'd expect if this were a part of the cranium of some animal...

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Oh, yes, lower haw/nose... So I suppose if I prepare it, there must be some teeth ! 

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pachy-pleuro-whatnot-odon

If it's indeed the symphysis, then, yes, there might be teeth ;)

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Tidgy's Dad

Nice find. :)

Very interested to see the result if you manage to prep it out a bit. 

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Hi!

 

Ok! Done!! Sorry, I'm not very googd for preparation. But... While I was drilling, some teeth appears!! So this is a jaw! Very difficult to clear, the teeth! The brown layer with stripes has gone almost every where :-(( There are 3 teeth! Please see pictures!

 

20230902_173445.thumb.jpg.46df70d89c170288c4b65f8b98c4a71e.jpg

 

20230902_173451.thumb.jpg.83006ef85b9e6a605bed37fbf904af53.jpg

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