Few Snails

[bbb]

I found some tiny snails on the front of my 55 gallon. At first I only saw one but now there are three. My guess is a Collonista spp. or Mini Turbos but I'm not completely sure. They seem to eat the algae on the front of the tank.
The Foot

The Side

Size Comparison to Penny
-Two Snails

-Top one is one of those small feather duster things, the bottom one near the silicone is the snail, and a Fire Clown in the background

I also found this snail on a coral I bought and threw it into the 55 b/c it didn't have any snails yet at the time. It acts similar to an Astrea but seems a bit faster at cleaning off the algae and has some brown tentacle looking things coming out of it's shell.
The Foot

Around the Mouth

Size Comparison to Penny

From the Side

Sorry about the algae in some of the pics. I just haven't gotten around to scraping it off yet.

 

[cranberry]

Yes, that's a collinista... here are some pics of mine for comparison...

The bottom snail is a red banded trochus. I haven't gotten any specimens of those to take pictures of.

 

[bbb]

Thanks.