Concise hierarchy

(Domain) Eukaryota

Phylogeny

Holophyletic

Subsequent positions

Discicristata (Infrakingdom) Cavalier-Smith, 1998		Ref: T. Cavalier-Smith, 1998: 232. [assumed]
Discicristata (Superphylum) Cavalier-Smith, 1998		Ref: T. Cavalier-Smith, 2002b: 327. [assumed]
Eozoa (Subkingdom) Cavalier-Smith, 1997		Ref: T. Cavalier-Smith, 1997a: 244.
Euglenozoa (Infrakingdom) Cavalier-Smith, 1981		Ref: T. Cavalier-Smith, 1993b: 984, table 4 (p. 970).

Subsequent entries

Diplonemia (Subphylum) Cavalier-Smith, 1993		Ref: T. Cavalier-Smith, 1993b: table 4 (p. 970).
Euglenoida (Subphylum) Bütschli, 1884		Ref: T. Cavalier-Smith, 1993b: table 4 (p. 970).
Kinetoplasta (Subphylum) Cavalier-Smith, 1993		Ref: T. Cavalier-Smith, 1993b: table 4 (p. 970).
Plicostoma (Subphylum) Patterson, 1988 ex T. Cavalier-Smith, 1998
Saccostoma (Subphylum) T. Cavalier-Smith, 1998

Current position

Discicristata (Superphylum) Cavalier-Smith, 1998

Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 520).

Alternative positions

Discicristata (Infrakingdom) Cavalier-Smith, 1998	Ref: T. Cavalier-Smith, 1998: 232. [new position]
Eozoa (Subkingdom) Cavalier-Smith, 1997	Ref: T. Cavalier-Smith et al., 2015: 357.
Euglenozoa (Infrakingdom) Cavalier-Smith, 1981	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 7).
Eukaryota (Domain) Chatton, 1925	Ref: T. Cavalier-Smith, 2013(2012): 116. [inferred]
Eukaryota ([unranked]) Chatton, 1925	Ref: E.E. Ruppert et al., 2004: fig. 3.37.
eukaryotes ([unranked])	Ref: T. Cavalier-Smith, 2013(2012): 116.
Excavata (Infrakingdom) T. Cavalier-Smith, 2002	Ref: T. Cavalier-Smith, 2004: 1252.
Excavata (Supergroup) Cavalier-Smith, 2002	Ref: E.J. van Nieukerken, 2010: 96.
Excavata ([unranked]) Cavalier-Smith, 2002	Ref: E.J. van Nieukerken, 2010: 96. [implicit]
flagellated protists ([unranked])	Ref: G.F. Leedale & K. Vickerman, 2000: 1135.
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Cavalier-Smith, [1991(ined.?)]
protozoa ([unranked]) Goldfuss, 1818	Ref: E.E. Ruppert et al., 2004: 27.

Historical positions

Discicristata (Superphylum) Cavalier-Smith, 1998	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 520), fig. 11.
Discicristata (Superphylum) Cavalier-Smith, 1998	Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11.
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Rees et al., 2020: table 2 (p. 130).
Eozoa (Subkingdom) Cavalier-Smith, 1997	Ref: T. Cavalier-Smith et al., 2015: 357.
Euglenozoa (Infrakingdom) Cavalier-Smith, 1981	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 7).
eukaryotes ([unranked])	Ref: T. Cavalier-Smith, 2013(2012): 116, fig. 2.
Excavata (Supergroup) Cavalier-Smith, 2002	Ref: E.J. van Nieukerken, 2010: 96.
Excavata (Infrakingdom) T. Cavalier-Smith, 2002	Ref: T. Cavalier-Smith, 2004: 1252.
Eukaryota ([unranked]) Chatton, 1925	Ref: E.E. Ruppert et al., 2004: 27, fig. 3.37.
protozoa ([unranked]) Goldfuss, 1818	Ref: E.E. Ruppert et al., 2004: 27.
Discicristata (Superphylum) Cavalier-Smith, 1998	Ref: T. Cavalier-Smith, 2003: 1746.
Discicristata (Superphylum) Cavalier-Smith, 1998	Ref: T. Cavalier-Smith, 2002b: 327. [new position]
flagellated protists ([unranked])	Ref: G.F. Leedale & K. Vickerman, 2000: 1135.
Discicristata (Infrakingdom) Cavalier-Smith, 1998	Ref: T. Cavalier-Smith, 1998: table 3 (p. 232). [new position]
Eozoa (Subkingdom) Cavalier-Smith, 1997	Ref: T. Cavalier-Smith, 1998: 229; 230. [excluded]
Euglenozoa (Infrakingdom) Cavalier-Smith, 1981	Ref: T. Cavalier-Smith, 1995: table (p. 1012).
Euglenozoa (Infrakingdom) Cavalier-Smith, 1981	Ref: T. Cavalier-Smith, 1993b: 984, 986, table 4 (p. 970). [new position]
Protozoa (Kingdom) Goldfuss, 1818	Ref: T. Cavalier-Smith, [1991(ined.?)]

Number of Subtaxa

2024	Available in Systema Naturae 2000	3c;4o;3f;26g;49s;7ss
1989-present	Systema Naturae 2000: 17 Dec 2023	[4c;8o]
2022(2021)	T. Cavalier-Smith: table 1 (p. 520) (Cavalier-Smith, 2016)	8c
2020	T. Rees et al.: table 2 (p. 130)	302*ng;162[-218]*g; †2.5%g
2003	T. Cavalier-Smith	[4c;8o]
2000	G.F. Leedale & K. Vickerman	(1c;2o;2f;77g)
1998	T. Cavalier-Smith	[2sp]
1993b	T. Cavalier-Smith: table 4 (p. 970)	[5c;9o]