1
They are bilateral, they have mouth but not anus, None segmentation and they have flattened body
2
They are bilateral, they have mouth and anus, are segmented and they have exoskeleton (chitin)
3
They are asymmetrical, they have pores, None segmentation, Spicules for support,
4
They are bilateral, they have mouth and anus, are segmented and move via peristalsis
5
They are radial, they have mouth but not anus, None segmentation and they have stinging cells
6
They are bilateral, they have mouth and anus, segmentation non visible (mantle and foot) and may have a shell.
