LIGHT-PRODUCING ORGANISMS 7 



Polychceta 



ClKEfoptervs, Phyllochcetopterns, Telepsaris, Polynoe, Acholoe, 



Tomopteris, Odontosyllis, Lepidonotus, Pionosyllis, Phyl- 



lodoce, Hetcrocirrus, Polyopthalamus? 

 OligochcBta 



Lumbricus, Photodrilus, Allolobophora {Eisemia) , Micro- 

 scolex, Nonlea, Enchytrceiis, Octochcetus. 

 Gephyrea (Sipunculus) 

 Hirudinea (Leeches) 

 Myzostomida ( Myzostomus ) 



IX. EcJiinodermata 



Asteroidea (Star-fish) 

 Ophiuroidea (Brittle-stars) 

 Ophiurida 



Ophiopsila, Amphiura, Ophiacantha, Ophiothrix, Ophionereis. 

 Euryalida 

 Ecliinoidea (Sea urcliins) 

 Holotliuroidea (Sea Cucumbers) 

 Crinoidea ( Featlier-stars ) 



X. Arthropoda 



Crustacea, (Crabs, lobsters, shrimps, etc.) 

 Phyllapoda 

 Ostracoda 



Halocypris, Cypridina, Pyrocypris, Conchoecia, Cyclopina. 

 Copepoda 



Metridia, Leuckartia, Pleuromma, Oncwa, Heterochceta. 

 Cirripedia 

 Phyllocardia 

 Schizopoda 



Nyctiphanes, Nematoscelis, Gnathophausia, EupJiausia, Sfylo- 

 chiron, Boreopliausia, My sis ? 

 Decapoda 



Sergestes, Aristeus, Ileterocarpus, Hoplophorus, Acanthepliyra, 

 Pentacheles, Colossendeis 



Stomatopoda 



Cumacea 



Amphipoda 



Isopoda 

 Onychophora (Peripatus) 

 Myriapoda (Centipedes and Millepedes) 



Symphyla 



Chilopoda 



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