

Classification 



Class II. Mastigophora ( 



Order 1. 



Flagellata ( 



Order 2. 



Choanaflagellata( 



Order 3. 



Dinoflagellata( 



Order 4. 



Cystoflagellata ( 



Class III. Sporozoa ( 



Subclass I. 



Telosporidia ( 



Order 1. 



Gregarinida ( 



Order 2. 



Coccidiidea ( 



Order 3. 



Haemosporidia ( 



Subclass II. 



Neosporidia ( 



Order 1. 



Myxosporidia ( 



Order 2. 



Sarcosporidia ( 



Class IV. Infusoria ( 



Subclass I. 



Ciliata ( 



Order 1. 



Holotricha ( 



Order 2. 



Heterotricha ( 



Order 3. 



Hypotricha ( 



Order 4. 



Peritricha ( 



Subclass II. 



Suctoria ( 



421 



PHYLUM II. PORIFERA 



Class I. Calcarea ( 



Order 1. Homocoela ( 

 Order 2. Heterocoela ( 



Class II. Hexactinellida ( 



Class III. Demospongiae ( 



Order 1. Tetraxonida ( 



Order 2. 



Monaxonida ( 



Order 3. 



Keratosa ( 



PHYLUM III. CO 



Class I. Hydrozoa ( 



Order 1. 



Anthomedusae ( 



Order 2. 



Leptomedusae ( 



Order 3. 



Trachymedusae ( 



Order 4. 



Narcomedusae ( 



Order 5. 



Hydrocorallinae ( 



Order 6. 



Siphonophora ( 



COELENTERATA 



