Phylogeny

Holophyletic

Ref: T. Cavalier-Smith et al., 2015: 359.

Ancestor

Corticata (Subkingdom) Lankester, 1878		Ref: T. Cavalier-Smith, 2002b: 300.
Protozoa (Kingdom) Goldfuss, 1818		Ref: T. Cavalier-Smith, 2013(2012): fig. 2.

Original position

Eukaryota (Superkingdom) Whittaker & Margulis, 1978

Ref: T. Cavalier-Smith, 1981: table 11 (p. 477).

Original entries

Chromophyta (Subkingdom) Caval.-Sm. (1981), nom. nud.		Ref: T. Cavalier-Smith, 1981: table 11 (p. 477).
Cryptophyta (Subkingdom) Caval.-Sm. (1981), nom. nud.		Ref: T. Cavalier-Smith, 1981: table 11 (p. 477).

Subsequent entries

Chlorarachnia (Subkingdom) Cavalier-Sm. (1993)		Ref: T. Cavalier-Smith, 1993b: table 2 (p. 961).
Chromophyta (Subkingdom) Caval.-Sm. (1986)		Ref: T. Cavalier-Smith, 1986: 338.
Euchromista (Subkingdom) Cavalier-Sm. (1993)		Ref: T. Cavalier-Smith, 1993b: table 2 (p. 961).
Hacrobia (Subkingdom) Okamoto, Chantangsi, Horák, Leander & Keeling, 2009		Ref: T. Cavalier-Smith, 2010a: 342, fig. 1.
Harosa (Subkingdom) Cavalier-Smith, 2010		Ref: T. Cavalier-Smith, 2010a: 342, fig. 1.

Current position

Corticata (Superkingdom) Lankester, 1878

Ref: T. Cavalier-Smith et al., 2015: 357; Cavalier-Smith, 2022(2021): fig. 11. [new position]

Alternative positions

chromalveolates ([unranked])	Ref: T. Cavalier-Smith, 2004: table 4.1 (p. 87).
corticates ([unranked]) Cavalier-Smith, 2003	Ref: T. Cavalier-Smith, 2013(2012): 144.
Eukaryota (Domain) Chatton, 1925	Ref: P.M. Kirk et al., 2008: 748.
Eukaryota (Empire) (Chatton, 1925)	Ref: T. Cavalier-Smith, 2004: 1252.
Eukaryota (Superkingdom) Whittaker & Margulis, 1978	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 11).
eukaryotes ([unranked])	Ref: T. Cavalier-Smith, 1995: table (p. 1014).
Metakaryota (Superkingdom)	Ref: T. Cavalier-Smith, 1993b: table 1 (p. 955). [emended diagnosis]
neokaryotes ([unranked]) Cavalier-Smith, 1993	Ref: T. Cavalier-Smith, 1998: 231. [alternative position] [implicit]

Historical positions

Corticata (Superkingdom) Lankester, 1878	Ref: T. Cavalier-Smith, 2022(2021): App. (p. 582); 545, 556, 583, fig. 11.
Corticata (Superkingdom) Lankester, 1878	Ref: T. Cavalier-Smith, 2022(2021) (alt.): table 2 (p. 564), fig. 11.
organisms ([unranked])	Ref: T. Rees et al., 2020: table 2 (p. 129).
Corticata (Superkingdom) Lankester, 1878	Ref: T. Cavalier-Smith et al., 2015: 357, table 1 (p. 344). [new position]
Eukaryota (Superkingdom) Whittaker & Margulis, 1978	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 11).
eukaryotes ([unranked])	Ref: T. Cavalier-Smith, 2013(2012): 117, 144, fig. 2.
corticates ([unranked]) Cavalier-Smith, 2003	Ref: T. Cavalier-Smith, 2013(2012): 144, fig. 2. [alternative position]
corticates ([unranked]) Cavalier-Smith, 2003	Ref: T. Cavalier-Smith, 2010a: 342, fig. 1.
Eukaryota (Superkingdom) Whittaker & Margulis, 1978	Ref: M.A. Harper et al., 2012: 145; 21.
Eukaryota (Domain) Chatton, 1925	Ref: P.M. Kirk et al., 2008: 351, 748.
eukaryotes (Domain)	Ref: K. Shalchian-Tabrizi et al., 2006: 1840.
chromalveolates ([unranked])	Ref: T. Cavalier-Smith, 2004: table 4.1 (p. 77), fig. 4.1.
Eukaryota (Empire) (Chatton, 1925)	Ref: T. Cavalier-Smith, 2004: 1252.
chromalveolates ([unranked])	Ref: T. Cavalier-Smith, 2002b: 298, 300.
Eukaryota (Domain) Chatton, 1925	Ref: P.M. Kirk et al., 2001: 105; 403, 569.
Eukaryota (Empire) (Chatton, 1925)	Ref: T. Cavalier-Smith, 1998: table 1 (p. 209); table 7 (p. 252).
neokaryotes ([unranked]) Cavalier-Smith, 1993	Ref: T. Cavalier-Smith, 1998: 231. [alternative position] [implicit]
Neozoa (Subkingdom) Cavalier-Smith, 1993	Ref: T. Cavalier-Smith, 1998: fig. 1. [excluded] [implicit]
eukaryotes ([unranked])	Ref: T. Cavalier-Smith, 1995: table (p. 1014).
Metakaryota (Superkingdom)	Ref: T. Cavalier-Smith, 1993b: table 1 (p. 955), table 2 (p. 961). [emended diagnosis]
Metakaryota (Superkingdom)	Ref: T. Cavalier-Smith, [1991(ined.?)]
Eukaryota (Superkingdom) Whittaker & Margulis, 1978	Ref: T. Cavalier-Smith, 1981: 478-479, table 11 (p. 477). [new taxon]

Number of Subtaxa

2025	Available in Systema Naturae 2000	10p;84c;363o;1147f;5169g;9116s;84ss;610v; †40o;360f;3282g;1046s;94ss
1989-present	Systema Naturae 2000: 19 Sep 2015	[9p]
2020	T. Rees et al.: table 2 (p. 129)	15,360*ng;9,846[-12,382]*g; †39.1%g
2015	T. Cavalier-Smith et al.: table 1 (p. 344)	9p
2015b	M.A. Ruggiero et al.: table 2 (p. 22)	[11p]
2008	P.M. Kirk et al.: 748	3c;16o;29f;126(; ‡46syn)g;1036s
2004	T. Cavalier-Smith: table 4.1 (p. 77)	[5p;26c]
2004	T. Cavalier-Smith: 1252	[2sk;5p]
1998	T. Cavalier-Smith	[2sk];5p
1993b	T. Cavalier-Smith: table 2 (p. 961)	[4p;20c]