yes
Sand dollar itself is a live hard echinodermic creature.
An octopus can hide its body in the sand or mud.
An octopus can hide its body in the sand or mud.
An octopus can hide its body in the sand or mud.
An octopus can hide its body in the sand or mud.
they dont really hide in sand, just they search the ocean floor for things to eat. it looks like they hide in sand because their wings move the sand upwards which then lands on their back.
An octopus can hide its body in the sand or mud.
An octopus can hide its body in the sand or mud.
An octopus can hide its body in the sand or mud.
sand dollars
A fictional creature, not real.
* Oligochaeta annelids hide in the soil or in the sand. * Polychaeta annelids hide in the sand or inside their shell (the ones who have a shell). * Hirudinidaannelids (leeches) hide under stones and plants. * Kinorhyncha (mud dragons), gnathostomulida(jaw worms), sipunculida (peanut worms) and echiura(spoon worms) hide in the sand. * Turbellaria flatworms, priapulida (penis worms) and nemertea (ribbon worms) hide in the sand and under stones.