Concise hierarchy

(Kingdom) Protoctista

Current position

Protoctista (Kingdom) Hogg, 1860

Ref: L. Margulis & K.V. Schwartz, 1998: 128-129.

Alternative positions

amoeboid protists ([unranked])	Ref: J.J. Lee et al., 2000: 872.
Dinophytea (Infrakingdom)	Ref: E. Möhn, 1984
Protista (Kingdom) (Haeckel, 1866)
rhizopods ([unranked])	Ref: J.O. Corliss, 1984: abstract.

Historical positions

amoeboid protists ([unranked])	Ref: J.J. Lee et al., 2000: 872. [indirect]
Protoctista (Kingdom) Hogg, 1860	Ref: L. Margulis & K.V. Schwartz, 1998: 128-129.
Neosarcodina (Parvkingdom) Cavalier-Smith, 1993	Ref: T. Cavalier-Smith, 1993b: table 4 (p. 972). [invalid/synonym] [implicit]
Protoctista (Kingdom) Hogg, 1860	Ref: J.J. Lee, 1990: xiv, 524-548.
rhizopods ([unranked])	Ref: J.O. Corliss, 1984: abstract.
Dinophytea (Infrakingdom)	Ref: E. Möhn, 1984

Number of Subtaxa

1989-present	Systema Naturae 2000	2c;[11o]
2000	J.J. Lee et al.: 872	2c;[11o]
1998	L. Margulis & K.V. Schwartz	2-3[3]c
1990	J.J. Lee	2c