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brus

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Hello all and happy new year to all...

I got a question,this in the middle is a rudist,and the two things on the side are some snail?this is big about 3-4cm,from Croatia,but on the place i found was "rock" whit same shape but 1m big.could this be sea snail?tnx.

P_20170101_130654.jpg

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I agree with that ID, the one in the middle might be of an heteromorph because it is a little curved.

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1 hour ago, bone2stone said:

These are all members of the cephalopod family.

Jess B.

I don't doubt the possibility, but the diagnostics for the certainty would be ?

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Cropped and Brightened the pic:

 

P_20170101_130654.jpg.bc229aadf5d09524e33beb6d37a6f20e.jpg

 

More angles would be helpful to determine other possible identifying characteristics. 

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    Tim    VETERAN SHALE SPLITTER

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The middle one looks to be a radiolitid rudist lower valve, the other two could be requieniid rudists, like Toucasia , all present in the Cretaceous of Istria,Croatia.

 

NPL_39335__-Toucasia-hancockensis.gif

 

Jean-Pierre MASSE et al. 2004. Lower Aptian Rudist Faunas (Bivalvia, Hippuritoidea) from Croatia. Geologia Croatica 57/2, p.117–137.

 

 

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My initial reaction was also that they all could be cephalopods, the middle one a heteromorph such as Glyptoxoceras.  However a closer look did not offer any suggestion of suture lines, and the "ribs" on the middle specimen have a sort of irregular fluting or folding aligned with the long axis of the specimen that would be atypical for an ammonite.  I am inclined to agree that they may be rudists rather than cephalopods.

 

Don

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I agree with abyssunder and Don, these are rudists. 

The human mind has the ability to believe anything is true.  -  JJ

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I think @abyssunder has it.:D

theme-celtique.png.bbc4d5765974b5daba0607d157eecfed.png.7c09081f292875c94595c562a862958c.png

"On ne voit bien que par le coeur, l'essentiel est invisible pour les yeux." (Antoine de Saint-Exupéry)

"We only well see with the heart, the essential is invisible for the eyes."

 

In memory of Doren

photo-thumb-12286.jpg.878620deab804c0e4e53f3eab4625b4c.jpg

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Knee jerk reaction, it was just first thought.

Then you guys came up with some better input.

I agree with conclusion.

Looks as if Brus was on the right track all along.......

 

I personally have not seen any rudists like these, bottom or top.

 

I think I need to get outside of Texas more often.  :)

 

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