Shell id

[mooriginal]

if anyone can throw light on this hitch hiker that i pulled off under a new piece i got ....

i know its harmless just wondering what it was

Thanks

Mo

 

[drty811]

not sure the name but i have a bunch and they seem to move around on me.

 

[mooriginal]

totally agree with you
it didnt stay in that position for long from there and has moved quite far

 

[mrfipp]

Looks like a small clam/oyster. I would not consider it a threat.

 

[Murex]

I think thats a white miniature ark (Barbatia domingensis).