ID help please fossil bone

[ConceptualizedNetherlandr]

Can anyone help shed some light on what part of what critter this is?

The marrow is silicified, so that must tell us something about minimum age. The piece is about 2 inches.

 

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[ConceptualizedNetherlandr]

Does anyone know about the timeline range for silicization ? The photos look too bright on the site, I'll have to get some better shots up here later. And I'll use a ruler for scale.

 

[bone2stone]

Good thinking and do your pics outside.
You may have what looks like a portion of ammonite.

Jess B.

 

[ConceptualizedNetherlandr]

I am not seeing sea critter, more like part of a large mammal. Here, I did better photos.

 

[ConceptualizedNetherlandr]

Help!!

 

[Perico]

Not sure. Hopefully someone can help

 

[bone2stone]

Well one thing I can say, it is bone material.
You may never get an acceptable response.
Just not enough of your find to give a positive identification for reference.

Jess B.

 

[P.ALLEN]

could be a sea creature/sea mammal, definitely looks like a chordate so could be some sort of fused vertebrae.