sponge or coral?

[anonaddict]

location: aarhus, denmark
found: loose beach rock
units: metric
date: 13/10/2024
tempID: coral cf.

notes:  honestly not sure what this is, it looks like it could be tabulate coral, but i could also see it being a sponge or something else so I'd like a second opinion

images:

 

[mighty micraster]

Looks like a sponge to me.

[oyo]

That doesn't look like coral to me.