Kingdom Chromalveolata Adl et al., 2005 see Kingdom Chromista Caval.-Sm. (1981) Infrakingdom Alveolata Cavalier-Smith, 1991 see [unranked] Alveolata Cavalier-Smith, 1991 Phylum Myzozoa Cavalier-Smith & Chao, 2004 see Subphylum Myzozoa Cavalier-Smith & Chao, 2004 Class Oxyrrhea Cavalier-Smith, 1987 [monotypic] Order Oxyrrhida Sournia, 1990 Family Oxyrrhinaceae Sournia (1984) [monotypic] Genus Oxyrrhis Dujard. (1841)