Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade natates Cavalier-Smith, 2021
Clade photaria Cavalier-Smith, 2021
Clade eucorta Cavalier-Smith, 2021
Superkingdom Corticata Lankester, 1878 - corticates
Kingdom Chromista Caval.-Sm. (1981) - chromists
Subkingdom Harosa Cavalier-Smith, 2010
[crown] Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
Infrakingdom Halvaria Cavalier-Smith, 2010
Superphylum Alveolata Cavalier-Smith, 1991
Phylum Miozoa Cavalier-Smith, 1987
Subphylum Myzozoa Cavalier-Smith & Chao, 2004
Infraphylum Apicomplexa Levine, 1970
Superclass Sporozoa Leuckart, 1879
Class Gregarinomorphea Grassé, 1953
Subclass Orthogregarinia Cavalier-Smith, 2014
Order Arthrogregarida Cavalier-Smith, 2014
Suborder Terragregarina Cavalier-Smith, 2014
Superfamily Gregarinoidea Labbé, 1899
Family Hirmocystidae Grassé, 1953
01 Genus Hirmocystisᵀ Labbé, 1899
02 Genus Neohirmocystis Ghose, Ray & Haldar, 1986
03 Genus Hyalospora Schneider, 1875
04 Genus Tettigonospora Smith, 1930 [monotypic]
05 Genus Dumbbellicephalus Bala & Kaur, 1988 [monotypic]
06 Genus Euspora Schneider, 1875
07 Genus Tintinospora Hoshide, 1959 [monotypic]
08 Genus Arachnocystis Levine, 1979
09 Genus Acanthogregarina Kalavati, Narasimhamurti & Vidyullatadevi, 1988 [monotypic]
10 Genus Eliptocystis Sengupta, Ghosh & Haldar, 1991 [monotypic]
11 Genus Pintospora Carini, 1944 [monotypic]
12 Genus Endomycola Théodoridès, Desportes & Jolivet, 1972
13 Genus Retractocephalus Haldar & Chakraborty, 1976
14 Genus Liposcelisus Sarkar & Haldar, 1980
15 Genus Quadruhyalodiscus Kundu & Haldar, 1984 [monotypic]