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Calvert Cliffs unknown


Fossil-Hound

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A friend asked me to post this to acquire an I'd. He believes it's a turtle scute but the side view makes this item appear like a mollusk. Wouldn't a turtle scute be darker and denser? The item is lightweight it does have some interesting patterns. What are your thoughts? I believe this is a mollusk segment but am unsure of what species as I believe this is only a piece of the organism.

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Do or do not. There is no try. - Yoda

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Totally agree with Tony,sea urchin fragment.The zigzag sutures (boundaries between plates) are a dead giveaway(apart from the ornamentation,of course)

Underneath:clypeasterid plates,although the fragment in question might not need not be a clypeasteroid

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I'm not an expert on these, but a quick check of my photos from the museum there brings up the name Abertalla orberti.

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These particular sandollars got to be as big as dinner plates.

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I like Trilo-butts and I cannot lie.

 

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I agree. The patterns of the sides are typical to a well-eroded fossil echinoid fragment.

" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

Thomas Mann

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