84 (83) Locomotory cilia simple, in rows 85 



84 (83) Locomotory cilia organized as cirri in rows/or groups. 



99 



85 (84) Cytostome ventral. Body seldom twice as long as wide 



85 (54) Cytostome anterior, lateral on narrow edge, or 

 absent. Body of various shapes 



86 (85) Cytopharyngeal rods present 87 



86 (85) Cytopharyngeal rods absent 88 



32 



