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njenthusiast

Possible Thoracosaurus (crocodile) Scute? - Big Brook NJ

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Carl

I stand by Cliona. I've seen scads of Cliona in all manner of preservation from the NJ brooks for over 3 decades and this is pretty consistent, including the color and shine. And I know the photo below isn't the best at all but it shows a similar feature. In the first posted picture you can see that several of the pits have a perforation in the center. The attached photo here shows a Cliona stenkern still attached to the steinkern of its host and the white dots represent the perforations. And you can see that behind each white dot is the material that filled in what would be the pits in the first posted photo.

1Porif-21ph.jpg

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Rockwood

Carl has managed to show it from the sponges point of view, at least in my eyes.

Front door, windows, side rooms for the kids maybe.

Count me in the sponge camp.

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JohnJ

@njenthusiast

You might clean it a bit with a toothbrush and water. Then, toss it in a little vinegar.  A shell fragment will consistently fizz.

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Rockwood

Plop plop fizz fizz oh what a relief it is :)

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The Jersey Devil
56 minutes ago, JohnJ said:

@njenthusiast

You might clean it a bit with a toothbrush and water. Then, toss it in a little vinegar.  A shell fragment will consistently fizz.

 

That would be some concrete evidence.

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Rockwood
9 minutes ago, The Jersey Devil said:

 

That would be some concrete evidence.

Careful. Mortar is part limestone.

And sometimes has latex added. 

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The Jersey Devil
3 minutes ago, Rockwood said:

Careful. Mortar is part limestone.

And sometimes has latex added. 

 

Hahaha I knew someone would say something of the sort :P

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