baby snails? ( no pic )

[JmLee]

i just recently found 3 baby snails in my tank. Maybe around 1 millimeter in length. they have long pointy shells and little antenna's. Any ideas?. Dont want this to become any kind of pest.
The only snails i have are turbo snails.

 

[romunov]

No pic, no fun.
There are many small snails.
Some info on various snails:
The Grazing Snails, Part I - Turbo, Trochus, Astraea, and Kin
The Grazing Snails, Part II - Abalones, Limpets and Nerites
The Grazing Snails, Part III - Conchs, Ceriths, Cowries, and Columbellids