Dürrschmidt & Patterson (1987a, 1987b)

Dürrschmidt M., Patterson D.J., 1987a. On the organization of the Heliozoa Raphidiophrys ambigua Penard and R. pallida Schulze. Ann. Sei. Natur., Zoologie, Paris, 13 ser., 8: 135–155.163.

Dürrschmidt M., Patterson D.J., 1987b. A light and electron microscopic study of a new species of centroheliozoon, Chlamydaster fimbriatus. Tissue & Cell 19: 365–376.

Centroheliozoa

• Family Heterophryidae (Oxnerella, Heterophrys, Chlamydaster, Cienkowskya)
• Family Acanthocystidae (Acanthocystis, Raphidiophrys, Raphidocystis)

Patterson (1999)

From The Diversity of Eukaryotes, {{}}.

• "Eukaryotic taxa without known sister groups"
  • Centroheliozoa
    • Family Heterophryidae
    • Family Raphidiophryidae
    • Family Acanthocystidae

Cavalier-Smith et al. (2015)

• Cavalier-Smith, T., Chao, E.E. & Lewis, R. 2015. Multiple origins of Heliozoa from flagellate ancestors: New cryptist subphylum Corbihelia, superclass Corbistoma, and monophyly of Haptista, Cryptista, Hacrobia and Chromista. Molecular Phylogenetics and Evolution 93: 331–362. DOI: 10.1016/j.ympev.2015.07.004 Reference page. 

Kingdom Chromista Cavalier-Smith, 1981

• Subkingdom 1. Hacrobia Okamoto et al. ex Cavalier-Smith, 2010 and Cavalier-Smith, 2010
  • Phylum 1. Haptista Cavalier-Smith phyl. n. (originally infrakingdom)
    • Subphylum 2. Heliozoa Cavalier-Smith subphyl. n.
      • Class Centrohelea Kühn, 1926 ex Cavalier-Smith, 1993 (e.g. Oxnerella, Polyplacocystis, Acanthocystis, Raphidiophrys) (= unranked Centroheliozoa: Dürrschmidt and Patterson, 1987a and Dürrschmidt and Patterson, 1987b)