Please help...What are these?

[Reefing_addiction]

I’m pretty sure there are sponges on here

What about the rest?

And this is a starfish of what varity

 

[92Miata]

You've got some pineapple sponges - but what you've got circled almost looks like a trumpet/candy cane.

 

[Reefing_addiction]

You've got some pineapple sponges - but what you've got circled almost looks like a trumpet/candy cane.

It’s on the underside of my rainbow chalice

 

[Sparkymarc]

Top one kinda looks like a cynarina and the starfish looks like asterina.

 

[halfmoon61]

Pineapple sponge, asternia star, not sure on the other one but some kind of filter feeder I would think.

 

[Reefing_addiction]

Top one kinda looks like a cynarina and the starfish looks like asterina.

So the cynarina is on the underside on a rainbow chalice

 

[Sparkymarc]

So the cynarina is on the underside on a rainbow chalice

Yeah, that is weird. May not be but it looks kind of similar.