Common Names
  Pseudo-
    coelomoates:
    rotifers,
    gastrotrichs,
    horesehair worms,
    spiny-headed worms,
    roundworms
    
    Ctenophora:
    comb-jellies
    
    Cnidaria:
    jellyfish,
    anenomes,
    corals,
    sea pens,
    hydra
    
   Porifera:
    sponges 
  Metazoa:
    multicellular animals possessing two or more tissue 
    layers.