Snail like things, good or bad?

[inssanity21]

I found two of these guys assuming there is more. They are like a snail, has a shiny pink shell that is way smaller than the body. Anyone know what they are and if they are good or bad?
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[Volcano1]

Looks like a stomatella snail. Good guy, eats algae.

 

[trackfast]

Looks like a stomatella snail. Good guy, eats algae.

+1

 

[inssanity21]

I think you guys are right based off of some images I found, Thanks!