3 unknowns from Merritt Island matrix

[old bones]

I am currently cataloging the thousands of photos that I have accumulated of my finds from the Merritt Island, Florida Pleistocene matrix.

Here are three that have me puzzled. The first looks like an ostracod... ?

I was hoping that this tooth half was from something more interesting than a dolphin... It looks as though it has feeding damage...any ideas?

And finally, this bit of jointed bone really has me stumped. Any guesses?

Thanks for looking

[Peat Burns]

I agree with ostracod on the first photo

[Al Dente]

Ostracods will have one shell overlap the other where it closes. If you look at an angle where you see both sides you should be able to see the overlap.

[old bones]

I agree with ostracod on the first photo

Ostracods will have one shell overlap the other where it closes. If you look at an angle where you see both sides you should be able to see the overlap.

Thank you both. This is my first ostracod.

[Auspex]

I like fish spine base for the third specimen.

[old bones]

I like fish spine base for the third specimen.

Thank you, Auspex ... I certainly couldn't make it out to be anything else. That makes sense.