Concise hierarchy

(Kingdom) Nucleariae - (Phylum) Nuclearida - (Class) Nuclearidea

Original position

Cristidiscoidia (Subclass) Page, 1987

Ref: T. Cavalier-Smith, 1993b: 988, table 4 (p. 972).

Subsequent positions

Nuclearidea (Class) Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, Döring, Schigel, May, Ryberg & Abarenkov, 2018

Ref: L. Tedersoo et al., 2018: 154.

Original entries

Nucleariidae (Family) Cann & Page, 1979		Ref: T. Cavalier-Smith, 1993b: 988.
Pompholyxophyidae (Family) Cavalier-Smith, 1993, orth. inval.		Ref: T. Cavalier-Smith, 1993b: 988.

Subsequent entries

Pomphyolyxophryidae (Family) Cavalier-Smith, 2021, orth. inval.

Ref: T. Cavalier-Smith, 2022(2021): 568.

Current position

Nuclearidea (Class) Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, Döring, Schigel, May, Ryberg & Abarenkov, 2018

Ref: L. Tedersoo et al., 2018: 154. [new position]

Alternative positions

Cristidiscoidea (Class) Page, 1987	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521).
Cristidiscoidia (Subclass) Page, 1987	Ref: T. Cavalier-Smith, 1993b: table 4 (p. 972). [new taxon]
Nucleariatea (Class) Doweld, 2001	Ref: A.B. Doweld, 2001: LXVII (footnote vi). [new rank]

Historical positions

Cristidiscoidea (Class) Page, 1987	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521).
Nuclearidea (Class) Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, Döring, Schigel, May, Ryberg & Abarenkov, 2018	Ref: L. Tedersoo et al., 2018: 154. [new position]
Cristidiscoidea (Class) Page, 1987	Ref: T. Cavalier-Smith, 2013(2012): table 7 (p. 155).
Cristidiscoidea (Class) Page, 1987	Ref: L. Mendoza et al., 2002: table 1 (p. 318).
Nucleariatea (Class) Doweld, 2001	Ref: A.B. Doweld, 2001: LXVII (footnote vi). [new rank]
Cristidiscoidia (Subclass) Page, 1987	Ref: T. Cavalier-Smith, 1993b: 988, table 4 (p. 972). [new taxon]

Number of Subtaxa

2024	Available in Systema Naturae 2000	2f;6g;8s
1989-present	Systema Naturae 2000: 22 Dec 2023	[2f]
2013(2012)	T. Cavalier-Smith: table 7 (p. 155)	[1f;2g]
1993b	T. Cavalier-Smith: 988	[2f]