Interesting surface pitting

[ncuke]

Hey everyone,

My mom found this last week in FL - told her I would see what folks had to say. Gulf coast south of Sarasota. Have not seen anything before with this type of pattern on it. It's about the size of a quarter. Thoughts?

 

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[Harry Pristis]

It appears to be a neural bone from a soft shell turtle, Apalone ferox. Your bone articulates with this one:

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[mamabear]

Harry, what would we do without you!? Wish I had just a smidgeon of the knowledge you have, & I thank you for sharing it.
ncuke, nice find. Is your mom going to look for more?

 

[GatorBoy]

 

[Ninjafossils]

Yep. Very common vertebrate fossil.