what are these on my rock

[Agent_Smith]

What are the things circled in black. I kept them wet just incase they were sponges. Thanks alot!

 

[Daddeo]

Being that the black circles around them makes it a bit hard to identify, I'll make an educated guess. Try Scypha sponges.

 

[TippyToeX]

Any chance of a close up? It's kind of hard to tell from so far away.

 

[Agent_Smith]

Here ya go

Here ya go

This is as close as I could get.