Bigyra Cavalier-Smith, 1998 Subphylum Opalozoa Cavalier-Smith, 1992 Infraphylum Bikosia Cavalier-Smith, 2013 [monotypic] Class Bikosea Cavalier-Smith, 2013 Subclass Bicosidia Cavalier-Smith, 2006 Superorder Cyathobodoniae Cavalier-Smith, 1993 Order Pseudodendromonadida Hibberd, 1985 Family Pseudodendromonadidae Patterson & Zölffel, 1991 Genus Cyathobodo Petersen & Hansen, 1961