A small sanddab.

The tip of an arm of a sea star with the little suckers extended.

A nudibranch.

Some small club-tipped anemones

Club-tipped anemones.

A small snail, maybe a turban snail?

Another small snail, with even smaller snails hitching rides!

I have no idea. probably a tunicate or other sponge.

Part of an arm of a knobby sea star.

Another knobby sea star.

I have no idea. Small white spiral, with tiny tendril-like things sticking out.

A small snail on a blade of kelp.

feather duster worm

a barnacle

Part of a chiton.