Family: Body large, contractile; right oral cilia prominent; left oral polykinetids delimit unciliated peristomal field (Illustrated Guide, 1985).
Genus: Body ellipsoid; anterior end truncate; posterior end rounded; peristome wide and V-shaped; a large membrane on right edge and adoral zone on left; macronucleus moniliform (Kudo, 1966).

Condylostoma sp. 6 clips xxxx xxxx Pref, Year