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General Biology 



PHYLUM X. ARTHROPODA 



Class I. Crustacea ( 



Subclass 1. Branchiopoda ( 



Subclass 2. 

 Subclass 3. 

 Subclass 4. 

 Subclass 5. 

 Subclass 6. 



Ostracoda ( 

 Copepoda ( 

 Cirripedia ( 

 Leptostraca ( 

 Malacostraca ( 



Class II. Merostomata ( 



Order 1. Gigantostraca ( 



Class III. Poecilopoda ( 



Order 1. 



Xiphosura ( 



Class IV. Linguatulida ( 



Order 1. 



Pentastomoidea ( 



Class V. Pantopoda ( 



Order 1. 

 Order 2. 

 Order 3. 



Clossendromorpha ( 

 Nymphomorpha ( 

 Pycnogomorpha ( 



Class VI. Arachnoidea ( 



Subclass 1. 



Cteiphora ( 



Order 1. 



Scorpiones ( 



Subclass 2. 



Lipoctena ( 



Order 1. 

 Order 2. 

 Order 3. 

 Order 4. 

 Order 5. 

 Order 6. 

 Order 7. 



Pedipalpi ( 

 Araneae ( 

 Meridogastres ( 

 Opiliones ( 

 Acarina ( 

 Cheloneti ( 

 Solifugae ( 



Class VII. Myriapoda ( 



Subclass 1. 



Opisthogoneata ( 



Order 1. 



Chilopoda ( 



Subclass 2. 



Progoneata ( 



Order 1. 

 Order 2. 

 Order 3. 



Symphyla ( 

 Pauropoda ( 

 Diplopoda ( 



