Concise hierarchy

(Kingdom) Bacillati - (Phylum) Cyanobacteria - (Class) Cyanophyceae - (Order) Nostocales - (Family) Rivulariaceae

Subsequent positions

Gloeotrichiaceae (Family) Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)

Ref: J. Komárek et al., 2014: App. 1 (p. 335: "with akinetes").

Current position

Rivulariaceae (Family) Frank (1886)

Ref: O. Strunecký et al., 2023: tbl. 1.

Alternative positions

Gloeotrichiaceae (Family) Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)	Ref: J. Komárek et al., 2014: App. 1 (p. 335). [pro parte]
Hormogonales (Order) Atkinson 1905	[assumed]
II (Subgroup)	Ref: G.M. Garrity & J.G. Holt, 2001a: 157.
II (Family)	Ref: G.M. Garrity et al., 2001b: 5.

Historical positions

Rivulariaceae (Family) Frank (1886)	Ref: O. Strunecký et al., 2023: tbl. 1.
Rivulariaceae (Family) Frank (1886)	Ref: J. Komárek et al., 2014: App. 1 (p. 334).
Gloeotrichiaceae (Family) Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014)	Ref: J. Komárek et al., 2014: App. 1 (p. 335). [pro parte]
Rivulariaceae (Family) Frank (1886)	Ref: L. Hoffmann et al., 2005: tbls. 2 (p. 109), 3 (p. 111).
Rivulariaceae (Family) Frank (1886)	Ref: J. Komárek & S. Golubić, [2005]: App. 1 (p. 57).
II (Family)	Ref: G.M. Garrity et al., 2001b: 5.
II (Subgroup)	Ref: G.M. Garrity & J.G. Holt, 2001a: 157.
Rivulariaceae (Family) Frank (1886)	Ref: E.I. Friedmann, 1982: 51.
IV (Section) R. Rippka et al. 1979	Ref: R. Rippka et al., 1979
Rivularean (Subgroup)	Ref: R.Y. Stanier & G. Cohen-Bazire, 1977

Number of Subtaxa

2026	Available in Systema Naturae 2000	8s
1989-present	Systema Naturae 2000	70s
1982	S.P. Parker	70s
1982	E.I. Friedmann	70s