Weird, triangle-shaped, snail-like creature

[reef_ninja]

I can’t seem to figure out what this thing is. Found a couple of them, this is about 1/2” long. Any ideas?

 

[Benjammin]

Bump

 

[taricha]

turkey wing clam (I think)

 

[reef_ninja]

turkey wing clam (I think)

That's probably the closest pic I've seen, good find!