Large fossilized animal bone?

[Diggin-N-Dumps]

This was found awhile back in south Florida while digging a pond in the backyard. It’s obviously a bone, but I wasn’t sure how I could go about trying to find out what it was. It weighs a ton and is the biggest fossilized bone I’ve ever seen.

Is it obvious to anyone what part this came from?

thanks!

 

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[Older The Better]

I’m not as sure with extinct ice age animals but rib bones are generally flattened in cross section. It also looks like a big spot for a muscle attachment. So I would think it’s a limb bone but that big curve throws me off. Maybe a radius or ulna. I’d look into Pleistocene fauna in Florida. Could be like a giant ground sloth or possibly even a sea creature of some sort.

 

[Clo]

I think it’s one of the front ribs from a ground sloth (Jeffersons?). Cool find for sure.

 

[GoldieLocks]

Something tells me it's concrete/faux.
See http://https://www.smithsonianmag.com/science-nature/bone-vs-stone-how-to-tell-the-difference-62895060/

 

[yaxthri]

Something tells me it's concrete/faux.
See http://https://www.smithsonianmag.c...vs-stone-how-to-tell-the-difference-62895060/

With all those different coloured minerals inside, clearly visible in cross section there's no way this is concrete imho.

 

[Diggin-N-Dumps]

Something tells me it's concrete/faux.
See http://https://www.smithsonianmag.c...vs-stone-how-to-tell-the-difference-62895060/

It's for sure bone. It was about 3 feet deep on my parents property right off the Caloosahatchee river.

My dad had it on the bookshelf since the 90s and just gave to me to on Thanksgiving hoping I could find out something about it. He always thought it was from a deer for some reason and I have no clue about animal bones.

 

[Diggin-N-Dumps]

I think it’s one of the front ribs from a ground sloth (Jeffersons?). Cool find for sure.View attachment 1884960

Hey! thanks for this. I could totally see where it could be this or similar.

 

[Red-Coat]

With all those different coloured minerals inside, clearly visible in cross section there's no way this is concrete imho.

Agree. It's definitely fossil and not concrete. The internal structure screams "bone". There are a number of things it could be from, but my inclination is that it's the major portion of a large manatee rib: