Entity:

Authorship

SN2000 author citation	:	T. Cavalier-Smith, 1998/2002, stat. inval.
Original name, rank & spelling	:	Cavalier-Smith, T. 1998. Biol. Rev. 73: tbl. 2 (p. 218: "subphyl. nov."). [implicit]
Validating publication	:	Cavalier-Smith, T. 2002a. Int. J. Syst. Evol. Microbiol. 52: tbl. 1 (p. 10: "(Cavalier-Smith, 1998) subdivisio nov."; "phyla (=divisions)).
Description/Diagnosis in English	:	op. cit.: tbl. 1 (p. 10: "Description").

Etymology

Greek (subst.) phukos, seaweed.

Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 10). ("because all the traditional blue-green algae and the prochlorophytes are included")

Prokaryotic name (: nom. prok.) [ICNB/ICNP]				Ref: T. Cavalier-Smith, 2002a. Int. J. Syst. Evol. Microbiol. 52: tbl. 1 (p. 10: "Bacteriological (= Prokaryotic) Code"). [new]
Effectively, but not validly, published name (nom. inval.) [ICNP, 2019: Rule 25, App. 7 (IJSEM)]				Ref: LPSN, 2020-present. LPSN: [29 Nov 2025].
Rank not covered by the Code (stat. inval.) [ICNP, 2025: Rule 5b]				Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 27 Nov 2025.

Type, by original designation

Chroococcales (Order) Cavalier-Smith 2002 nom. illeg., nom. rej.

Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 10). [new]

Not validly published name	:	*Phycobacteria* (Subphylum) Cavalier-Smith 1998 nom. inval.		Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 10). [new]
Equivalent rank	:	*Phycobacteria* (Subphylum) Cavalier-Smith 2002 stat. inval.		Ref: T. Cavalier-Smith, 2002a: tbl. 1 (p. 10: "phyla (=divisions)"). [new] [implicit]