1 1 Porifera — Coelenterata 



Class Subcl Order 



M ESOZOA 



RHOMBOZOA 



Dicyemida 

 Heterocyemida 

 ORTHONECTIDA 



Orthonectida 



MONOBLASTOZOA 



MONOBLASTOIDEA 



Monoblastidea 



COELENTERATA 



(Cnidaria) 



coelenterates, medusae 



HYDROZOA 



Trachylinida 



Hydroida 



Milleporida (Hydrocorallinae) millepores 



Stylasterina 



Siphonophora siphonophores 

 SCYPHOZOA jellyfishes 



Stauromedusae 



Cubomedusae 



Coronatae 



Semaeostomeae 



Rhizostomeae 

 ANTHOZOA sea-anemones, corals 

 Alcyonaria 



Stolonifera 



Telestacea 



Alcyonacea soft-corals 



Coenothecalia blue-corals 



Gorgonacea sea-fans, horny-corals, gorgonians, sea-feathers 



Pennatulacea sea-pens, sea-pansies 

 Zoantharia 



Zoanthiniaria 



CoraUimorpharia 



Actiniaria sea-anemones 



Scleractinia (Madreporaria) hexacorals, stony-corals 



