APPENDIX 



A classification of Crustacea to show the systematic position 

 of most of the genera mentioned in the text 



SUB CLASS OSTRACODA 



Order Ostracoda — Afrocypris, Asterope, Cyprideis, Cypris, 

 Cytherella, Gigantocypris, Mesocypris, Potamocypris. 



SUB CLASS CIRRIPEDIA 



Order Thoracica— Anelasma, Balanus, Catophragmus, Chamae- 

 sipho, Chthamalus, Conchoderma, Coronula, Elminius, 

 Lepas, Platylepas, Pollicipes, Pyrgoma, Rhizolepas, 

 Scalpellum, Stomatolepas. 



Order Acrothoracica — Alcippe. 



Order Ascothoracica — Laura, Myriocladus, Dendrogaster. 



Order Rhizocephala — Sacculina, Peltogaster, Thompsonia. 



SUB CLASS BRANCHIOPODA 



Order Cephalocarida — Hutchinsoniella. 



Order Lipostraca — Lepidocaris. 



Order Anostraca — Artemia, Chirocephalus. 



Order Notostraca — Lepidurus, Triops. 



Order Conchostraca — Limnadia, Limnadiopsis. 



Order Cladocera. 



Tribe Ctenopoda — Diaphanosoma, Holopedium, Penilia, 



Sid a. 

 Tribe Anomopoda — Alonopsis, Anchistropus, Bosmina, 

 Camptocercus, Chydorus, Daphnia, llyocryptus, Macro- 

 thrix, Moina, Monospilus, Scapholeberis, Simocephalus. 

 Tribe Onychopoda — Bythotrephes, Evadne, Podon, Poly- 

 phemus. 

 Tribe Haplopoda — Leptodora. 



SUB CLASS MYSTACOCARIDA 



Order Mystacocarida — Derocheilocaris. 



SUB CLASS COPEPODA 



Order Calanoida — Anomalocera, Calanus, Pontellina, Pseudo- 

 calanus. 



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