ANIMAL CLASSIFICATION 



43i 



(jelly- Aurelia, Pelagia, Rhizostoma. 



3. Scyphomedusae 



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). Beroe, Bolina, Cestus, Pleurobrachia. 



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. Polygordius. 



2. Polychaeta : 



(1) Phanerocephala. Amphinome, Autolytus, Aphrodite, 



Chaetopterus, Hermione, Hyalin- 

 oecia, Nerine, Palolo, Tomopteris, 



(2) Cryptocephala. Sabella, Serpula. 



2. Oligochaeta (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). 



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). 



Conchoecia. 



Calanus, Caligus, Sapphirina, Temora. 



Cuma. 



Caprella, Epimeria, Euthemisto, Phro- 



nima. 



Cirolana, Rocinela, Serolis. 

 Squilla. 

 Euphausia, Mysis, Nyctiphanes. 



Acanthephyra, Eryon, Lucifer, Ne- 

 phrops, Palinurus, Penaeus, Ser- 

 ges tes, Willemcesia. 



Callianassa, Catapagurus, Galathea, 

 Munida, Pagurus. 



Atelecyclus, Bathynectes, Corystes, 

 Cryptochirus, Ebalia, Hapalocar- 

 cinus, Homolodromia, Maja, Por- 

 tunus, Thia. 



