1
porifera
sponge
2
cnidaria
jellyfish
3
platyhelminthes
flatworms
4
annelids
worms
5
mollusks
snails, clams
6
nematode
roundworm
7
arthropods
insects
8
echinoderms
starfish
porifera
sponge
cnidaria
jellyfish
platyhelminthes
flatworms
annelids
worms
mollusks
snails, clams
nematode
roundworm
arthropods
insects
echinoderms
starfish