Septarian nodule, Mastodon tooth, mammoth tooth? I’m making the claim that this is a beak, possibly belonging to a cephalopod. I’m ready for some back-lash!!! Found in Iowa, very distinct odor comes from this when exposed to vinegar.

Septarian nodule, Mastodon tooth, mammoth tooth? I’m making the claim that this is a beak, possibly belonging to a cephalopod. I’m ready for some back-lash!!! Found in Iowa, very distinct odor comes from this when exposed to vinegar.