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Calvert Cliffs - several mystery bones


HemiHunter

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HemiHunter

I have been meaning to post my Calvert Cliffs mystery bones for awhile, and I keep finding more, so I finally took some pics to share. These are all Miocene finds collected on different trips over the last 12 months. I would be grateful for any help with ID.

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HemiHunter

Let's start with this one, which looks like piece of a land mammal, but I really don't know.

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HemiHunter

This is clearly a vertebra, but it is tiny! What could it be from?

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HemiHunter

This one is shaped exactly like a Pringle's potato chip (crisp, for you Brits).

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HemiHunter

This looks to be a complete bone. I have a few others like it, but this is the best one. Ideas?

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HemiHunter

This hollow bone is bird, I'm pretty sure--but what kind?

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HemiHunter

This piece is also hollow, but a bit more robust. Could it be bird, too?

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HemiHunter

Finally, this random bone fragment has a couple of what look like deep gouges. Can these be bite marks from predation?

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hemipristis
6 hours ago, HemiHunter said:

This one is shaped exactly like Pringle's potato chip (crisp, for you Brits).

Resized_20210212_222001_407.jpeg

Resized_20210212_221936_2939.jpeg

Resized_20210212_221913_7166.jpeg

Resized_20210212_221851_4248.jpeg

section of turtle plastron?

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WhodamanHD
16 hours ago, HemiHunter said:

This hollow bone is bird, I'm pretty sure--but what kind?

I agree but without the ends I’m not sure it can be easily IDed. The other ribs look cetacean, same with the vert.

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None of these are particularly diagnostic: one is a small dolphin cervical vertebra fragment, and another is a bird bone. Not much can be said about bones that are this incomplete.

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ClearLake
23 hours ago, HemiHunter said:

This looks to be a complete bone. I have a few others like it, but this is the best one. Ideas?

This looks like it could be a turtle leg bone. That’s my idea. 

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