Concise hierarchy

(Kingdom) Plantae - (Phylum) Rhodophyta - (Class) Porphyridiophyceae

Subsequent positions

Rhodellophyceae (Class) Caval.-Sm. (1998)

Ref: T. Cavalier-Smith, 1998: 249. [assumed]

Current position

Porphyridiophyceae (Class) Kylin

Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 28).

Alternative positions

Bangiophycidae (Subclass)	Ref: P.C. Silva et al., 1996-2001: 26 Jul 2006.
Bangiophycideae (Subclass)	Ref: P.S. Dixon, 1982: 61.
Rhodellophyceae (Class) Caval.-Sm. (1998)	Ref: G.W. Saunders & M.H. Hommersand, 2004: 1503.
Rhodophyceae (Class) Thuret (1855)	Ref: M. Guiry, 2001: 38.

Historical positions

Porphyridiophyceae (Class) Kylin	Ref: M.A. Ruggiero et al., 2015b: table 2 (p. 28).
Rhodellophyceae (Class) Caval.-Sm. (1998)	Ref: G.W. Saunders & M.H. Hommersand, 2004: 1503; fig. 2.
Rhodophyceae (Class) Thuret (1855)	Ref: M. Guiry, 2001: 38.
Rhodellophyceae (Class) Caval.-Sm. (1998)	Ref: T. Cavalier-Smith, 1998: 249. [new position]
Bangiophycideae (Subclass)	Ref: P.S. Dixon, 1982: 61.

Number of Subtaxa

2025	Available in Systema Naturae 2000	2f;14g;5s
1989-present	Systema Naturae 2000	[13-14g]
1982	S.P. Parker	[13-14g]
1982	P.S. Dixon	3f[13-14g]