Turbo hitchhiker

dan-in-den

Member
Can anyone identify this hitchhiker on a large Turbo snail?
It is about .5cm in diameter. I took the snail out and verified that it was definitely a hitchhiker and not a discoloration. I could put my fingernail under the edge of it.
It does not have a hole in the center like a key limpet.
Also, I don't think it has changed its location on the snail shell since I first noticed it about 24 hours ago.
any ideas?
 
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