Concise hierarchy

(Domain) Eukaryota - (Phylum) Metamonada - (Class) Trichomonadea - (Order) Spirotrichonymphida - (Family) Holomastigotoididae

Original position

Holomastigotidae (Family) Janicki, 1915

Ref: C. Janicki, 1915: 644.

Current position

Holomastigotoididae (Family) Copeland, 1956

Ref: T. Cavalier-Smith, 2013(2012): table 1 (p. 121).

Alternative positions

Holomastigotidae (Family) Janicki, 1915	Ref: K. Vickerman, 1982: 508.
Spirotrichonymphida ([unranked]) Light, 1927	Ref: S.M. Adl et al., 2005: 441.
Spirotrichonymphidae (Family) Grassi, 1917	Ref: G. Brugerolle & J.J. Lee, 2000: 1241.

Historical positions

Holomastigotoididae (Family) Copeland, 1956	Ref: T. Cavalier-Smith, 2013(2012): table 1 (p. 121).
Holomastigotoididae (Family) Copeland, 1956	Ref: I. Cepicka et al., 2010: 427, table 1 (p. 421).
Spirotrichonymphida ([unranked]) Light, 1927	Ref: S.M. Adl et al., 2005: 441.
Spirotrichonymphida (Order) Grassé, 1952	Ref: T. Cavalier-Smith, 2003: 1746. [rough position]
Spirotrichonymphidae (Family) Grassi, 1917	Ref: G. Brugerolle & J.J. Lee, 2000: 1241.
Archaeprotista (Phylum)	Ref: L. Margulis & K.V. Schwartz, 1998: 118. [rough position]
Holomastigotidae (Family) Janicki, 1915	Ref: K. Vickerman, 1982: 508.
Zoomastigina (Phylum)	Ref: L. Margulis & K.V. Schwartz, 1982: 89. [rough position]

Number of Subtaxa

2025	Available in Systema Naturae 2000	5s
1989-present	Systema Naturae 2000	11s
2000	G. Brugerolle & J.J. Lee: 1241	11s
1982	K. Vickerman	11s