Planulozoa (bilateral symmetry; planula larvae)
Cnidaria




Cnidaria - Anthozoa
Sea anemone
Coral
Sea pen

Cnidaria - Hydrozoa
Thecata
Portuguese Man o'War

Cnidaria - Scyphozoa
Jelllyfish

Cnidaria - Cubozoa
Box jellyfish

Cnidaria - Stauromedusae
Stalked jellyfish

Myxozoa