Concise hierarchy

(Kingdom) Animalia

Current position

Animalia (Kingdom) Linnaeus, 1758

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

Alternative positions

Histones (Kingdom)	Ref: E. Haeckel, 1889: 420. [alternative position]
Regnum Animale (Kingdom) C. Linnaeus, 1758	Ref: R.C. van Caenegem et al., 1980: 307.

Historical positions

Regnum Animale (Kingdom) C. Linnaeus, 1758	Ref: R.C. van Caenegem et al., 1980: 307.
Animalia (Kingdom) Linnaeus, 1758	Ref: T. Cavalier-Smith, 1981: table 11 (p. 477).
Animalia (Kingdom) Linnaeus, 1758	Ref: I. Eibl-Eibesfeldt et al., 1975 (1971): 587. [implicit]
Thiere (Kingdom) Linnaeus, 1758	Ref: E. Haeckel, 1891: 249 (footnote 1). [implicit]
Histonen (Kingdom)	Ref: E. Haeckel, 1891: 249 (footnote 1). [alternative position]
Thiere (Kingdom) Linnaeus, 1758	Ref: E. Haeckel, 1890: 18 (footnote 1). [implicit]
Histonen (Kingdom)	Ref: E. Haeckel, 1890: 18 (footnote 1). [alternative position]
Animalia (Kingdom) Linnaeus, 1758	Ref: E. Haeckel, 1889: 421.
Histones (Kingdom)	Ref: E. Haeckel, 1889: 420. [alternative position]

Number of Subtaxa

1989-present	Systema Naturae 2000	[26p]
1980	R.C. van Caenegem et al.: 307	[26p]