Looks like a part of a fish skull to me.

I’d say wood, just off the lack of marrow chambers.

Could also be a fossilized bryzoan colony in that limestone…  but I’m not very familiar with the area.

Multiple different views of this item with a ruler (or something of a known size) would be very helpful in identifying your find.

It doesn’t look like a tusk or tooth to me, since it seems lack enamel and also seems to be porous.

It looks like an iron/sandstone concretion to me, I’ve found some similar things here in SW FL.

Due to the difference in locality, I’m not able to say for 100% certain though…

Cheers…

-Bill

Looks like half of a black walnut shell to me…

…but I could be wrong.

I second what Victor Perez said.

Looks like a great white shark tooth to me.

Carcharodon carcharias.

I belive that what you have found is an upper mouthplate of a drum fish.

I would lean more towards modern, than fossil.

…but it’s still a really interesting piece!

-Bill

Due to the size, I would say deer rather than camel.

It looks like oyster shell to me…

Mostly due to the layered appearance of the (possibly broken) edge.

It’s still a fossil, and therefore still cool though!

Thank you for sharing!

-Bill

It doesn’t look like coral to me, either…

I would lean towards bryzoan or sponge.

…but invertebrates are my weakest link in identification, so I may be wrong.

-Bill

From what I can see, it does look like a whale tooth…

I am attaching a photo of a whale tooth in my collection from the phosphate pits of “Bone Valley” FL (Around Polk and Hardee counties) for comparison.

Not all whale teeth are “robust”