ANIMAL CLASSIFICATION 



43: 



(jelly- Amelia, Pelagia, Rhizostoma. 



3. Scyphomedusas 



fish). 



4. Anthozoa : 



(1) Actiniaria 



emones). 



(2) Alcyonaria (false Alcyonium, Corallium, Gorgonia, Heli- 

 opora, Pennatula. 



Caryophyllia, Leptopenus, Madrepora. 



(an- Arachnactis, Minyas. 



corals). 

 (3) Madreporaria 

 true corals). 

 5. Ctenophora (jelly-fish). 



III. Turbellaria, or Planaria (flatworms) 



IV. Nemertina, or Nemertea. 

 V. Trematoda (flukes). 



VI. Cestoda (tapeworms). 

 VII. Nematoda (roundworms). 

 VIII. Sipunculoidea. 



IX. Chaetopoda (bristle-worms) : 



1. Archiannelida. 



2. Polychaeta : 



(1) Phanerocephala 



Beroe, Bolina, Cestus, Pleurobrachia. 



Polygordius. 



(2) Cryptocephala. 



2. Oligochseta (earth- 



worms). 



3. Hirudinea (leeches). 



4. Echiuroidea (spoon- 



worms). 



5. Rotifera. 



X. Crustacea : 



1. Cladocera (Branchio- Evadne 



poda. 



2. Ostracoda. 



3. Copepoda. 



4. Cirrhipedia (barnacles). 



Amphinome, Autolytus, Aphrodite, 

 Chaetopterus, Hermione, Hyalin- 

 oecia, Nerine, Palolo, Tomopteris, 



Sabella, Serpula. 



Conchcecia. 



Calanus, Caligus, Sapphirina, Temora. 



5. Cumacea. 



6. Amphipoda. 



7. Isopoda. 



8. Stomatopoda. 



9. Schizopoda. 

 10. Decapoda. 



(1) Macrura (lob- 



ster group). 



(2) Anomura (her- 



mit group). 



(3) Brachyura 



(crab group). 



Cuma. 



Caprella, Epimeria, Euthemisto, Phro- 



nima. 

 Cirolana, Rocinela, Serolis. 

 Squilla. 

 Euphausia, Mysis, Nyctiphanes. 



Acanthephyra, Eryon, Lucifer, Ne- 

 phrops, Palinurus, Pena3us, Ser- 

 gestes, Willemcesia. 



Callianassa, Catapagurus, Galathea, 

 Munida, Pagurus. 



Atelecyclus, Bathynectes, Corystes. 

 Cryptochirus, Ebalia, Hapalocar- 

 cinus, Homolodromia, Maja, Por- 

 tunus, Thia. 



