Concise hierarchy

(Kingdom) Nucleariae - (Phylum) Fonticulida - (Class) Fonticulea

Original position

Cristidiscoidia (Subclass) Page, 1987

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

Subsequent positions

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

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

Original entries

Fonticulidae (Family) Worley, Raper & Hohl, 1979

Ref: T. Cavalier-Smith, 1993b: 988.

Subsequent entries

Parvulariidae (Family) Cavalier-Smith, 2021

Ref: T. Cavalier-Smith, 2022(2021): App. (p. 581).

Current position

Fonticulea (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]

Historical positions

Cristidiscoidea (Class) Page, 1987	Ref: T. Cavalier-Smith, 2022(2021): table 1 (p. 521), App. (p. 581).
Fonticulea (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).
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;2g;1s
1989-present	Systema Naturae 2000: 22 Dec 2023	[2f;2g]
2013(2012)	T. Cavalier-Smith: table 7 (p. 155)	[1f;1g]
1993b	T. Cavalier-Smith: 988	[1f]