ARTHROPODA.
Species not observed since 2000 are marked *
CRUSTACEA (crustaceans).
CLADOCERA.
Recorded from Newt Pond (A).
DAPHNIIDAE:
  Water Flea.    Daphnia sp.
CHYDORIDAE:  
  Water Flea.    Chydorus ovalis Kurz*
COPEPODA (copepods).  
Recorded from Newt Pond (A).
DIAPTOMIDAE:    
Diaptomus castor (Jurine)*
CYCLOPIDAE: 
Cyclops viridis (Jurine)*
Cyclops laria.*
HARPACTICIDAE:  
Canthocampus staphylinus (Jurine)*
OSTRACODA (mussel shrimps).     
CYPIDAE:      
Cypris sp.*
Recorded from Newt Pond (A).
ISOPODA (woodlice).    
ASELLIDAE: 
  Water Hog Louse. Asellus aquaticus (Linnaeus, 1758)
Recorded from Newt Pond (A).
LIGIIDAE:  
  Woodlouse.* Ligidium hypnorum (Cuvier, 1792)
TRICHONISCIDAE:    
  Woodlouse.* Trichoniscus pusillus Brandt, 1833
ONISCOIDAE.         
  Woodlouse.   Oniscus asellus Linnaeus, 1758
ARMADILLIDIIDAE:
  Common Pill Woodlouse. Armadillidium vulgare (Latreille, 1804)
AMPHIPODA (sandhoppers, beach fleas and water lice).   
GAMMARIDAE:    
  Freshwater Shrimp.               Gammarus pulex (Linnaeus, 1758)
Common in main streams.
MYRIAPODA.   
DIPLOPODA (millipedes).
JULIDAE:
  Millipede.*    
Identification not determined further.
  White-legged Snake Millipede. Tachypodoiulus niger (Leach, 1815)
Common in leaf/reed litter heaps
CHILOPODA (centipedes).
LITHOBIIAE:    
  Centipede. Lithobius forficatus (Linnaeus, 1758)