need help to id live rock critter

[viper12775]

i have 2 anemone looking things on my live rock there clear all but the tips of the tenticals there white and at the base it looks like a skeleton from an open brain coral i have looked at all the id sites i can think of with no luck hopefully someone knows what they are i dont know if they will hurt my corals

 

[Anonymous]

Phyllangia americana. Photo courtesy of Florida Marine Research Institute.

Is this blurry pic look like what you have? You can't see the tentacles very well but I think this is what you are describing. It is commonly seen on live rock from Florida. A nice hitchhiker, I suppose it would sting something if you sat a coral on it, but it doesn't wander or cause trouble.

 

[viper12775]

unfortunitly i cant see anything in the pic but i was told it is a species of caldacora or a tube coral

 

[viper12775]

and thanks for the help