Simplified List 



Subk Series Phylum 



Kingdom AN I MALI A^ 



EOZOA 



Protozoa ^ [one-celled animals] ^ 



PARAZOA 



Porifera sponges 

 AGNOTOZOA 



Mesozoa 

 HISTOZOA (Metazoa) 

 Enterocoela 



Monoblastozoa 



Coelenterata (Cnidaria) hydroids, jellyfish, medusae, corals, 

 sea-anemones 



Ctenophora comb-jellies, sea-walnuts 

 Acoelomata 



Platyhelminthes flatworms 



Rhynchocoela (Nemertinea) ribbon-worms, proboscis-worms 

 Pseudocoelomata 



Acanthocephala spiny-headed-worms 



Rotifera (Rotatoria) rotifers, wheel-animalcules 



Gastrotricha 



Kinorhyncha (Echinodera) 



Priapuloidea 



Nematoda thread-worms, round-worms 



Gordiacea (Nematomorpha) horsehair- worms, 

 gordian-worms 



Calyssozoa (Endoprocta) 



