LIGHT-PRODUCING ORGANISMS 5 



Flagellata 



Clioanoflagellata 



DinoflageUata 



Ceraiium, Peridininm, Prorocentriim, Pyrodinium, Gonyaulax, 

 Blepharocysta, Amphidinium, Diplopsalis, Cochlodinium, 

 SphcBrodinium, Gymnodinium. 

 Cystoflagellata 



Noctiluca, Pyrocystis, Leptodiscus, Craspedotella. 

 Sporozoa 

 Infusoria 



II. Porifera (Sponges) 

 Calcarea 

 Hexactinellida 

 Desmospongiae 



III. Coelenterata 



Eydrozoa (Hydroids and Jelly-fish) 

 Leptomedusw or Campanularice 



Medusa form — Eutima, Phyalidium (Oceania) . 

 Hydroid form — Aglaophenia, Campanularia, Scrtiilaria, Plumu- 

 laria, Cellularia, Valkeria, Ohelia, Clytia. 

 TrachomeduscB 



Geryonia, Lyriope, Aglaura 

 NarcomeduscB 



Cunina, 

 Anthomediisce or Tuhularice 



Medusa form — Thaummitias, Tiara, Turris, Sarsia. 

 Hydroid form — ? 

 Hydroeorallinse 

 ^iphonophora 



Ahyla, Pray a, Diphyes, Eudoccia, Hippopodiiis. 

 Scyphozoa (Jelly-fish) 

 Stauromedusae 

 Peromedusse 

 Gahomedusw 



Carybdia 

 DiscomednscB 



Pelagia, Aurelia, Chrysaora, Rhizostoma, Gyancea, Dianea, 

 Mesoncma. 

 Actinozoa (Corals, Sea-fans, Sea-pens, Sea-anemones) 

 Aetinaria 

 Madreporareia 



