68 HANDBOOK OF PROTOZOOLOGY 



Family 7 Reophacidae 196 



Genus Reophax 196 



Family 8 Lituolidae 196 



Genus Lituola 196 



Family 9 Fusulinidae 196 



Genus Fusulina 196 



Family 10 Loftusiidae 196 



Genus Loftusia 196 



Family 11 Textulariidae 196 



Genus Textularia 197 



Family 12 Verneuilinidae 197 



Genus Verneuilina 197 



Family 13 Valvulinidae 197 



Genus Valvulina 197 



Family 14 Neusinidae 197 



Genus Neusina 198 



Family 15 Trochamminidae 198 



Genus Trochamniina 198 



Family 16 Placopsilinidae 198 



Genus Placopsilina 198 



Family 17 Orbitolinidae 198 



Genus Tetrataxis 198 



Family 18 Miliolidae 198 



Genus Spiroloculina 198 



Triloculina 198 



Family 19 Fischerinidae 198 



Genus Fischerina 198 



Family 20 Ophthalmidiidae 198 



Genus Vertebralina 198 



Family 21 Peneroplidae 198 



Genus Peneroplis 198 



Family 22 Alveolinellidae 198 



Genus Alveolinella 198 



Family 23 Keramosphaeridae 198 



Genus Keramosphaera 198 



Family 24 Lagenidae 199 



Genus Lagena 199 



Family 25 Polymorphinidae 199 



Genus Polymorphina 200 



Family 26 Nonionidae 200 



Genus Elphidium 200 



Family 27 Camerinidae 200 



Genus Operculina 200 



Family 28 Heterohelicidae 200 



Genus Pavonina 200 



Family 29 Hantkeninidae 200 



Genus Hantkenina 201 



