What Is It?

[gobbler716]

I found this on the shores of the Elk River. It's possible that this unit came from another place and that the rocks were used for erosion control.

[RyanNREMTP]

I'm going to say the mold of a crinoid stem.

[snakebite6769]

I concur, Crinoid stem internal mold

[Carl]

Vote number three for crinoid stem mold.

[jgcox]

fourth vote--crinoid stem mold

[caldigger]

Unanimous so far.

[tmaier]

I vote that it is a charm bracelet for a dinosaur.

I hate to see a unanimous vote.

[gobbler716]

Thank you!

[Pilobolus]

I vote that it is a charm bracelet for a dinosaur.

I hate to see a unanimous vote.