APPENDIX 



235 



Thigmotrichida 

 Peritrichida 



Subclass Spirotrichia 

 Order Heterotrichida 



Oligotrichida 



Tintinnida 



Entodiniomorphida 



Odontostomatida 

 Hypotrichida 



Ophrydium, Carchesium, 

 Vorticella, Zoothamnium, 

 Campanella, Epistylis, 

 Opercularia, Trichodinopsis 



Stentor, Bkpharisma, 

 Spirostomum, Nyctotherus, 

 Condylostoma 



Several ophryoscolecid 

 genera 



Euplotes, Stylonychia 



