Authorship

SN2000 author citation	:			Lewin, 1977 ex Florenzano et al., 1986, nom. prok. nov., nom. rev., nom. praeinit., typ. inval.
Unavailable original name, rank & spelling	:			Lewin, R.A. 1977b. Phycologia 16 (2): 217.
Original name, rank & spelling	:			Florenzano, G., Balloni, W. & Materassi, R. 1986. Int. J. Syst. Bacteriol. 36 (2): 352 ("Lewin 1977 gen. nov., nom. rev.").
Original use as a prokaryotic name	:			op. cit.: 351 ("International Code of Nomenclature of Bacteria").
Description/Diagnosis in English	:			op. cit.: 352.
Subsequent publication	:			Boone, D.R. & Castenholz, R.W. (eds.) 2001. In G.M. Garrity (ed.), Bergey's Man. Syst. Bacteriol. (ed. 2) 1: 494 (M. Herdman, R.W. Castenholz, I. Iteman, J.B. Waterbury & R. Rippka: key), 507 (M. Herdman, R.W. Castenholz & R. Rippka: "Form-genus ... Lewin 1977, 216VP").

Attributes

Prokaryotic name, by original use (: nom. prok. nov.) [ICNB/ICNP (>1947)]				Ref: G. Florenzano et al. 1986. Int. J. Syst. Bacteriol. 36 (2): 352; 351. [new]
Prokaryotic name (: nom. prok.) [ICNB/ICNP]				Ref: D.R. Boone & R.W. Castenholz (eds.), 2001. In G.M. Garrity (ed.), Bergey's Man. Syst. Bacteriol. (ed. 2) 1: 507 (M. Herdman, R.W. Castenholz & R. Rippka).
Effectively, but not validly, published name (nom. inval.) [ICNP, 2019: Rule 25, App. 7 (IJSEM)]				Ref: LPSN, 2020-present. LPSN: [11 Jan 2026].
Pre-starting-point name (nom. inval.[: praeinit.]) [ICSB, 2000: Minute 7(3) (Cyanobacteria(ICNP), <1999)]				Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 11 Jan 2026.
Validly published name under the ICNP [ICNP, 2022: App. 7 (IJSEM)]				Ref: L. Hoffmann & W. Greuter, 1993. Taxon 42 (3): 643. [false].
Validly published name under the ICNP [ICNP, 2022: App. 7 (IJSEM)]				Ref: G.M. Garrity et al. 2007. Taxon. Outl. Bacteria Archaea (v. 7.7, pt. 2): 45 ("VP"). [false].
Type species: not validly published (nom.[: typ.] inval.) [ICNP, 2022: Rules 20a, 27(3)]				Ref: LPSN, 2020-present. LPSN: [10 Jan 2026] ("Considered not validly published. Name of the type species not validly published.").
Revived name (ex: nom. rev.) [ICNP, 2019: Rules 28a, 33c]				Ref: G. Florenzano et al. 1986. Int. J. Syst. Bacteriol. 36 (2): 352 ("nom. rev."). [new]

Types

Type of	:	Prochloraceae (Family) (ex Lewin 1977) Florenzano et al. 1986 nom. inval.		Ref: G. Florenzano et al., 1986: 352. [new]
Type of	:	Prochlorales (Order) (ex Lewin 1977) Florenzano et al. 1986 nom. inval.		Ref: Opinion 79 (2005). [new]
Type, by original designation and monotypy	:	Prochloron didemni (ex Lewin 1977) Florenzano et al. 1986 nom. inval.		Ref: G. Florenzano et al., 1986: 352. [new]

Variants

Validly published name	:	Prochloron (Genus) Lewin ex Hoffmann and Greuter 1993		Ref: LPSN, 2020-present: [12 Jan 2026] ("homotypic").
Name in original code of nomenclature	:	Prochloron (Genus) Lewin (1977), nom. inval.		Ref: J.P. Euzéby, 1997-present: 12 Feb 2014.
Name in subsequent code of nomenclature	:	Prochloron (Genus) Lewin ex Florenzano, Balloni & Materassi (1986), nom. inval.		Ref: L. Hoffmann & W. Greuter, 1993: 643. [new]
Name in preferred code of nomenclature	:	Prochloron (Genus) Lewin ex Florenzano, Balloni & Materassi (1986), nom. inval.		Ref: L. Hoffmann & W. Greuter, 1993: 643. [new]
Name in alternative code of nomenclature	:	Prochloron (Genus) Lewin (1977), nom. inval.		Ref: J.P. Euzéby, 1997-present: 12 Feb 2014.