Help ID 2 hitchhikers!!

[KelBell3113]

Curious as to what these little guys are that came on a piece of our live rock? Any help is appreciated

 

[TheEngineer]

A few of those look like vermetid snails. Are they purple and corkscrew shaped? Have a single thin strand coming out of them?

 

[KelBell3113]

They're kind of a brownish red and have that white tip sticking out like in the picture. Are they bad for the tank?

 

[KelBell3113]

And the blob (circled in green) is now nowhere to be seen so I'm assuming it's a live critter.

 

[erinmegan85]

The blob is probably a stomatella snail.

 

[Lionfish Lair]

My guess is blob = limpet. I agree the others are vermetids.