Metazoa

1. Eumetazoa (Specialized tissues)

1.1. Bilateria (Bilaterial symmetry , triploblastic)

1.1.1. Ascoelomates (No coelom)

1.1.1.1. Acoela

1.1.2. Possess body cavity (Coelomates)

1.1.2.1. Protostomia

1.1.2.1.1. Ecdysozoa

1.1.2.1.2. Lophotrochozoa (Bilateral Symettry and Triploblastic development)

1.2. Radiata (Radial Symmetry, diploblastic)

1.2.1. Cnidaria (Diploblastic (endoderm and ectoderm)

1.2.1.1. Anthozoa (Non-motile,Class Anthozoa)

1.2.1.1.1. Coral and Sea Anemones

1.2.1.2. Medusazao (Motile Medusa), Class Scyphozoa, Cubozoa, Hydrozoa

1.2.1.2.1. Scyphozoa

1.2.1.2.2. Cubozoa

1.2.1.2.3. Hydrozoa

2. Parazoa

2.1. Porifera (Sponges)

2.1.1. Calcispongiae

2.1.1.1. Leucosolenia

2.2. Ctenophora (Comb Jellies)

3. Pancrustaceans