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The Metazoans: Animals
Acoela
Gastrotricha

 

 

 

 

 

Opisthokonts

 

Porifera
Cnidaria

 

Ctenophora
Cycliophora

 

Micrognathozoa

 

Gnathostomulida
Platyhelminthes
Myzostomida
Annelida
Protozoa
Bilateria
Triploblasts

 

Rotifera
Diploblasts

 

Brachiopoda
Bryozoa
Sipuncula
Eumetazoa

 

Entoprocta
Mollusca
Spiralia

 

Nematoda
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Nemertea

 

 

Echinodermata
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Arthropoda

 

Chordata

 

 

Metazoa