Annoying bone is driving me NUTS!!!!

[1emeraldlady]

Can anyone ID this bone?...found it on the beach in Florida 3 years ago and it's been sitting on a shelf just bugging me-cause I can't figure out what it is. LOL...HELP!!!! Also posted on Fossils Forum-not sure which was more appropriate. Thanks!!!

 

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[old digger]

Hard to tell what it is, it appears to be quite water worn?

 

[1emeraldlady]

Hi Digger! You're probably right. I did find it on the beach in a shell bed so I assume (hopefully correctly) that it came out of the water with the shells. It definitely is smooth to the touch. Thanks!

 

[tamrock]

That's cool. Being such a small sample it could be hard to associate with the animal it came from. It looks to be very prehistoric to me. Is it still very soft & porous or has much of cell structure been replaced with mineral saturation or petrified? Like is it as solid & hard as a rock now?

 

[1emeraldlady]

Hi Tam! I wasn't sure anyone could ID it but it sure is absolutely hard as a rock...lol. I guess it's just one of those things I'll have to spend the rest of my life pondering..lol!! Thanks!!

 

[GatorBoy]

Pretty sure Its a section of dugong rib

 

[GatorBoy]