Concise hierarchy

(Kingdom) Protozoa - (Phylum) Opisthosporidia

Original position

Rhizopoda (Phylum) Dujardin, 1835

Subsequent positions

Aphelida (Phylum) Karpov, Aleoshin & Mikhailov, 2014		Ref: S.A. Karpov et al., 2014: 9.
Aphelidia (Subphylum) Cavalier-Smith, 2021		Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521).

Original entries

Aphelidida (Order) Gromov, 2000

Ref: B.V. Gromov, 2000: 521.

Subsequent entries

Amoeboaphelidium (Genus) Scherffel, 1925		Ref: B.V. Gromov, 2000 [assumed]
Aphelidium (Genus) Zopf, 1884		Ref: B.V. Gromov, 2000 [assumed]
Pseudaphelidium (Genus) Schweikert & Schnepf, 1996		Ref: B.V. Gromov, 2000 [assumed]

Current position

Aphelidia (Subphylum) Cavalier-Smith, 2021

Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521).

Alternative positions

Aphelida (Phylum) Karpov, Aleoshin & Mikhailov, 2014	Ref: S.A. Karpov et al., 2014: 9. [new position]
Choanozoa (Phylum) Cavalier-Smith, 1981	Ref: T. Cavalier-Smith et al., 2004: 22. [out of scope (incoherent)] [implicit]
Rhizopoda (Phylum) Dujardin, 1835	Ref: B.V. Gromov, 2000 [new taxon] [indirect]

Historical positions

Aphelidia (Subphylum) Cavalier-Smith, 2021	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521).
Aphelida (Phylum) Karpov, Aleoshin & Mikhailov, 2014	Ref: S.A. Karpov et al., 2014: 9. [new position]

Number of Subtaxa

2024	Available in Systema Naturae 2000	1o;1f;4g;12s
1989-present	Systema Naturae 2000: 24 Dec 2023	[1o;1f;4g;12s]
2022(2021)	T. Cavalier-Smith: table 1 (p. 521)	[1o]
2014	S.A. Karpov et al.: abstract	[1o;1f];3g;10[9/11]s