Classification
(master taxon) [(master rank)]Protoctista [kingdom]
Ciliophora [phylum]
Kinetofragminophora [class]
Hypostomata [subclass]
Cyrtophorida [order]
Dysteriina [suborder]
Kryoprorodontidae [family]
Holophrya [genus]
Holophrya pelagica [species]