Suborder: Ventral cirri as 1 or more files of varied length; linear.
Family: With 2 or more frontoventral cirral files parallel to long axis of ora region along its right border;
at least 2 frontoventral files extend almost length of body (Illustrated Guide, 1985).
Genus: Cirral files not extend backward as far as transverse group (Illustrated Guide, 1985).
Rsembles Oxytricha; but with three frontal,
2 rows of ventral, 4 caudal (transverse ?) cirri; longer adoral zone
(How to know the protozoa, 1979).
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
