70 HANDBOOK OF PROTOZOOLOGY 



Family 4 Paramoebidae 223 



Genus Paramoeba 223 



Order 5 Testacea 225 



Family 1 Arcellidae 226 



Genus Arcella 226 



Pyxidicula 226 



Pseudochlamys 227 



Difflugiella 227 



Cryptodifflugia 227 



Lesquereusia 228 



Hyalosphenia 228 



Leptochlamys 229 



Chlamydophrys 229 



Cochliopodium 230 



Amphizonella 230 



Zonomyxa 230 



Microcorycia 230 



Parmulina 231 



Capsellina 231 



Diplochlamys 231 



Family 2 Allogromiidae 232 



Genus Allogromia 232 



Microgromia 232 



Lieberkiihnia 232 



Rhynchogromia 234 



Diplophrys 234 



Amphitrema 234 



Lecythium 234 



Pseudodifflugia 234 



Diaphoropodon 235 



Clypeolina 236 



Family 3 Difflugiidae 236 



Genus Dififlugia 236 



Centropyxis 238 



Cucurbitella 238 



Plagiopyxis 238 



Pontigulasia 238 



Phryganella 238 



Bullinula 239 



Heleopera 239 



Averintzia 239 



Family 4 Euglyphidae 239 



Genus Euglypha 239 



Paulinella 240 



Cyphoderia 240 



Campascus 241 



