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Taxon: Genus "Prochlorococcus" Chisholm et al. 1992 nom. inval. (prokaryote)
 Entity: 

Authorship

SN2000 author citation:  S.W. Chisholm et al., 1992, nom. prok. nov., nom. inval.
Original name, rank & spelling:  Chisholm, S.W., Frankel, S.L., Goericke, R., Olson, R.J., Palenik, B., Waterbury, J.B., West-Johnsrud, L. & Zettler, E.R. 1992. Arch. Microbiol. 157: 299 ("nov. gen."). ≡
Original use as a prokaryotic name:  Chisholm, S.W., Frankel, S.L., Goericke, R., Olson, R.J., Palenik, B., Waterbury, J.B., West-Johnsrud, L. & Zettler, E.R. 1992. Arch. Microbiol. 157: 299. [living culture].

Attributes

Prokaryotic name, by original use (: nom. prok. nov.) [ICNB/ICNP (>1947)] Ref: S.J. Brands (comp.), 1989-present. Syst. Nat. 2000: 2 Dec 2025.
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: 506 (R. Rippka, R.W. Castenholz & M. Herdman: "Form-genus ... Chisholm, Frankel, Goericke, Olson, Palenik, Waterbury, West-Johnsrud and Zettler 1992, 299").
Effectively, but not validly, published name (nom. inval.) [ICNP, 2019: Rule 25, App. 7 (IJSEM)] Ref: LPSN, 2020-present. LPSN: [1 Dec 2025].
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: 1 Dec 2025.

Types

Type, by monotypy: Prochlorococcus marinus Chisholm et al. 1992

Variants

Validly published name: Prochlorococcus (Genus) Chisholm et al. 2001 nom. inval.
Incorrect spelling: Prochlorococcum (Genus) (sic) Ref: J. Komárek & T. Hauer, 2004-present: [7 Jul 2006]; 25 Feb 2026. [inferred]

Homonyms

Junior homonym (unavailable): Prochlorococcus (Genus) Chisholm et al. 2020 Ref: LPSN, 2020-present: [17 Feb 2026] ("homonym").
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Last updated: 28 Aug 2026