Help ID Please!

[Ishharris]

Bought some corals today and found this in the bag. Can anyone help ID it? Good or bad?

 

[ichthyoid]

Looks like stomatella snails probably. Harmless-

Stomatella Snails

 

[bhodges82]

Looks like a possible stomatella snail?

 

[ichthyoid]

 

[ichthyoid]

I put them in the tank, it’s a freebie

 

[Shawn]

I was just responding to this post in the ARC facebook group - lol. Definitely a stomatella. Great CUC. I saw one in my sump this morning with a wicked black and white zig zag shell design. They're self-replicating amazing clean up crew