HYDRiE, JELLYflSHES, SEA ANEMONES, CORAL POLYPS 63 



CLASSIFICATION OF THE EXAMPLES 



Branch III — Ccelenterata. 

 Class — Hydrozoa. 



Order — Hydromedusae (Leptolinae). 

 Types of the Order. 



Hydra virldis — Hydra* 

 Hydractinia echinata — Hydractinia. 

 Eucope species — Campanularian hydroid. 

 Order — Siphonophora. 



Physalia arethusa — Portuguese man-of-war. 

 Class — Scyphozoa. 



Order — Discomedusse. 

 Type of Order. 



Aurelia flavidula — Jellyfish. 

 Class — Actinozoa. 



Order — Actinaria. 

 Type of Order. 



Metridium marginatum — Sea anemone. 

 Order — Madreporaria. 

 Type of Order. 



Madrepora species — Coral polyps. 

 Ckiss — Ctenophora. 

 Order — Cydippida. 

 Type of Order. 



Pleurobrachia rhododactykt. 



