Snail hitchhiker

[tlhood]

Anybody know what this is? Came in on a frag. It's food is white and looks almost nerite-ish. It's about two or three millimetres long.
http://i6.photobucket.com/albums/y224/tabkatz/Aquarium/29DBF79B-8270-4152-BF08-82439EFACD15.jpg

[tlhood]

i suspect it is a collonista snail.. however i have never seen them before... if anyone has an idear i'd love to hear it.

i don't have a sump or anything to keep them in (their home right now is a jar), but if they were reef safe I'd love to keep them rather than kill them.

[hillegom]

Might be a collinista
Have a look at this:
http://www.chucksaddiction.com/Hitchsnails.html

Can't really tell with only one pic.

[tlhood]

I ruled out sundial. Threw it in my tank, and its grazing on the glass. Seems to be ok so far.