Contents 



Page 



Introduction 1 



Acknowledgments . 2 



Status of gammaridean systematics 3 



Morphological terminology 3 



Morphology of a gammaridean amphipod 5 



Geographic distribution of marine Gammaridea 13 



The composition of a faunule 17 



Morphological evolution of the Amphipoda 21 



Interfamilial gammaridean relationships 31 



Limnetic evolution of the Gammaridea 40 



Identification procedures 44 



Diagnosis of the basic marine gammaridean (many marine Gammaridae). 50 



Order Amphipoda 105 



Key to the suborders of Amphipoda 105 



Nomenclatural changes in gammaridean families 106 



Key to the families of the suborder Gammaridea 106 



Acanthonotozomatidae 117 



Ampeliscidae 128 



Amphilochidae 132 



Ampithoidae 141 



Anamixidae 145 



Aoridae 147 



Argissidae 157 



Astyridae 157 



AtyUdae 161 



Bateidae 163 



Beaudettiidae 166 



Calliopiidae 167 



Cheluridae 180 



Colomastigidae 182 



Corophiidae 184 



Cressidae 198 



Dexaminidae 200 



Dogielinotidae 207 



Eophliantidae 209 



Eusiridae 213 



Gammaridae (marine) 231 



Haustoriidae 248 



Hyalellidae and Hyalidae 261 



Hyperiopsidae 261 



Isaeidae 264 



Ischyroceridae 275 



Kuriidae 280 



V 



