OUTLINE OF CLASSIFICATION 71 



Trinema 241 



Corythion 242 



Placocista 242 



Assulina 243 



Nebela 243 



Quadrula 243 



Subclass 2 Actinopoda 245 



Order 1 Heliozoa 245 



Suborder 1 Aphrothoraca 247 



Genus Actinophrys 247 



Actinosphaerium 247 



Camptonema 248 



Oxnerella 248 



Suborder 2 Chlamydophora 248 



Genus Astrodisculus 248 



Actinolophus 248 



Heterophrys 248 



Elaeorhanis 250 



Lithocolla 250 



Sphaerastrum 250 



Suborder 3 Chalarothoraca 250 



Genus Pompholyxophrys 250 



Acanthocystis 251 



Raphidiophrys 251 



Raphidiocystis 252 



Wagnerella 252 



Pinaciophora 252 



Suborder 4 Desmothoraca 252 



Genus Clathrulina 252 



Hedriocystis 252 



' Choanocystis 253 



Order 2 Radiolaria 254 



Suborder 1 Actipylea 258 



Legion 1 Actinelida 258 



Family 1 Actineliidae 258 



Genus Actinelius 258 



Family 2 Acanthociasmidae 258 



Genus Acanthociasma 258 



Legion 2 Acanthometrida 258 



Family 1 Acanthometridae 259 



Genus Acanthometron 259 



Family 2 Acanthoniidae 259 



Genus Acanthonia 259 



Family 3 Amphilonchidae 259 



Genus Amphilonche 259 



Legion 3 Acanthophractida 259 



Family 1 Sphaerocapsidae 259 



Genus Sphaerocapsa 259 



