A ton of different snails will. From the two sites linked below, the following snails eat other snails (and possibly some other things too - if you have clams in your tank, adding a predatory snail may be a risky decision):
-Crown Conch (large and not a true conch)
-Lace Murex (pretty much all murex/muricid snails will eat other snails)
-Olive Snail
-Horse Conch (huge and not a true conch)
-Banded Tulip Snail
-Pear Whelk/Snail (seems to prefer bivalves, but would likely eat gastropods too)
-Lightning Whelk/Snail (seems to prefer bivalves, but would likely eat gastropods too)
-Half Moon Snail
-Tulip Snail
-Murex Snail
-Moon Snail
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