Centrohelid

Centrohelids
	Raphidiophrys contractilis
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Phylum:	Haptista
Class:	Centroplasthelida; Febvre‐Chevalier & Febvre, 1984
Orders
	Pterocystida Raphidista; Pterista; ; Panacanthocystida Chthonida; Acanthocystida; ; Incertae sedis Spiculophryidae; Parasphaerastrum; Heteroraphidiophrys;
Synonyms
	Centroplastiales; Centrohelina Hartmann 1913; Centroheliozoa Cushman & Jarvis 1929 sensu Durrschmidt & Patterson 1987; Centrohelida Kühn 1926; Centrohelea Kuhn 1926 stat. n. Cavalier-Smith 1993;

The centrohelids or centroheliozoa are a large group of heliozoan protists.^[4] They include both mobile and sessile forms, found in freshwater and marine environments, especially at some depth.^{[clarification needed]}

^ ^a ^b Cite error: The named reference Adl 2019 was invoked but never defined (see the help page).
^ Cite error: The named reference Yogsothothidae was invoked but never defined (see the help page).
^ Kühn, A. (1926). Morphologie der Tiere in Bildern. Heft 2: Protozoen. Teil 2. Rhizopoden. Gebrüder Borntraeger: Berlin.
^ Nikolaev SI; Berney C; Fahrni JF; et al. (May 2004). "The twilight of Heliozoa and rise of Rhizaria, an emerging supergroup of amoeboid eukaryotes". Proc. Natl. Acad. Sci. U.S.A. 101 (21): 8066–8071. doi:10.1073/pnas.0308602101. PMC 419558. PMID 15148395.

[Adl_2019-1] Cite error: The named reference Adl 2019 was invoked but never defined (see the help page).

[Yogsothothidae-2] Cite error: The named reference Yogsothothidae was invoked but never defined (see the help page).

[3] Kühn, A. (1926). Morphologie der Tiere in Bildern. Heft 2: Protozoen. Teil 2. Rhizopoden. Gebrüder Borntraeger: Berlin.

[pmid15148395-4] Nikolaev SI; Berney C; Fahrni JF; et al. (May 2004). "The twilight of Heliozoa and rise of Rhizaria, an emerging supergroup of amoeboid eukaryotes". Proc. Natl. Acad. Sci. U.S.A. 101 (21): 8066–8071. doi:10.1073/pnas.0308602101. PMC 419558. PMID 15148395.

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Centrohelids

Raphidiophrys contractilis
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Phylum:	Haptista
Class:	Centroplasthelida Febvre‐Chevalier & Febvre, 1984^[1]
Orders^[1]^[2]
Pterocystida Raphidista Pterista Panacanthocystida Chthonida Acanthocystida Incertae sedis Spiculophryidae Parasphaerastrum Heteroraphidiophrys
Synonyms
Centroplastiales Centrohelina Hartmann 1913 Centroheliozoa Cushman & Jarvis 1929 sensu Durrschmidt & Patterson 1987 Centrohelida Kühn 1926^[3] Centrohelea Kuhn 1926 stat. n. Cavalier-Smith 1993