Classification
(master taxon) [(master rank)]Protoctista [kingdom]
Ciliophora [phylum]
Kinetofragminophora [class]
Gymnostomata [subclass]
Pleurostomatida [order]
Litonotina [suborder]
Litonotidae [family]
Litonotus [genus]
Litonotus cygnus [species]