Id please

[Canela]

I can't seem to find any pis of the sponge?? Clam? Or the filter feeder on the clam??

 

[54seaweed]

I see a sea squirt,clam,serpent star,and a what looks to be a urchin but hard to tell since it's cut out of the pict

 

[Canela]

Thanks!!!! I'm so excited!