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Calvert Cliffs Bones ID Help


HoppeHunting

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Hi all,

 

I found these bones at Bayfront Park/Brownies Beach on my most recent trip. The formation is the Calvert Formation, Miocene, approximately 18-22 million years old.

 

Here are my best guesses:

#1: Piece of cetacean rib bone

#2: Some part of cetacean flipper/hand?

#3: Cetacean digit/phalange 

#4: Piece of sirenian (dugong) rib bone

 

If there are any bone experts willing to lend a hand in these identifications, I would very much appreciate it. Even if you're not an expert, please let me know if you have a better idea about what these truly are. Thanks in advance.

 

 

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The Hunt for the Hemipristine continues!

~Hoppe hunting!~

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