Genus Planococcus

Name: Planococcus Migula 1894 (Approved Lists 1980)

Category, proposed as: genus, gen. nov.

Etymology: Pla.no.coc’cus. Gr. masc. n. planês, a wanderer; N.L. masc. n. coccus, coccus; from Gr. masc. n. kokkos, grain, seed; N.L. masc. n. Planococcus, motile coccus

Gender, pronunciation (Latin): masculine (stem: Planococc-), pla-no-KOK-kus

Type species: Planococcus citreus Migula 1894 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Migula W. Über ein neues System der Bakterien. Arbeiten aus dem Bakteriologischen Institut der Technischen Hochschule zu Karlsruhe 1894; 1:235-238.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Planomicrobium Yoon et al. 2001	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Nakagawa et al. 1996 Nakagawa Y, Sakane T, Yokota A. Emendation of the genus Planococcus and transfer of Flavobacterium okeanokoites Zobell and Upham 1944 to the genus Planococcus as Planococcus okeanokoites comb. nov. Int J Syst Bacteriol 1996; 46:866-870. 🇯🇵 Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 4 of the IJSB. Int J Syst Bacteriol 1997; 47:243-244.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Yoon et al. 2010 Yoon JH, Kang SJ, Lee SY, Oh KH, Oh TK. Planococcus salinarum sp. nov., isolated from a marine solar saltern, and emended description of the genus Planococcus. Int J Syst Evol Microbiol 2010; 60:754-758. 🇰🇷 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 60, part 4 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:1480-1481.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.
  • Gupta and Patel 2020 Gupta RS, Patel S. Robust Demarcation of the Family Caryophanaceae (Planococcaceae) and Its Different Genera Including Three Novel Genera Based on Phylogenomics and Highly Specific Molecular Signatures. Front Microbiol 2019; 10:2821. 🇨🇦 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 3 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the family Planococcaceae Krassilnikov 1949 (Approved Lists 1980). Publication: Krassilnikov NA. Opredelitelv Bakterii i Actinomicetov. Akademii Nauk SSSR, Moscow, 1949.
  • 🧕 Cavalier-Smith (1981) assigned this genus to the subkingdom "Eubacteria" Cavalier-Smith 1981. Publication: Cavalier-Smith T. Eukaryote kingdoms: seven or nine? Biosystems 1981; 14:461-481.
  • 🧕 Clements (1909) assigned this genus to the family "Coccaceae" Eichler 1886. Publication: Clements FE. The genera of fungi. The H.W. Wilson Company, Minneapolis, 1909.
  • 🧕 De Vos et al. (2009) assigned this genus to the family Planococcaceae Krassilnikov 1949 (Approved Lists 1980). Publication: Ludwig W, Schleifer K-H, Whitman WB. Class I. Bacilli class nov. In: De Vos P, Garrity GM, Jones D, Krieg NR, Ludwig W, Rainey FA, K.-H. S, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 3 (The Firmicutes), Springer, New York, 2009, p. 19-20. 🇧🇪
  • 🧕 Krassilnikov (1949) assigned this genus to the family Planococcaceae Krassilnikov 1949 (Approved Lists 1980). Publication: Krassilnikov NA. Guide to the Bacteria and Actinomycetes [Opredelitel Bakterii i Actinomicetov]. Akademiya Nauk SSSR, Moscow, 1949.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Dlanococcus"; "Pfunococcus"; "Plaiiococcus"; "Plannococcus"; "Planoaoccus"; "Planocaccus"; "Planoccocus"; "Planococccus"; "Planocococcus"; "Planococous"; "Planococus"; "Planocoecus"; "Planoeoccus"; "Planucoccus"; "Plariococcus"; "Plauococcus".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Suresh et al. (2007), Yoon et al. (2010). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 26; JCM: 16; KCTC: 10; CGMCC: 9; ATCC: 7; LMG: 6; CIP: 6; MTCC: 6; GDMCC: 5; NCIMB: 4.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 💥 This name is a homonym of Planococcus N.N. (zoological) [from Catalogue of Life].
  • 🧍 According to Shipunov (2011), this name is a hemihomonym. Publication: Shipunov A. The problem of hemihomonyms and the on-line hemihomonyms database (HHDB). Bionomina 2011; 4:65-72.
  • 🧍 Planococcus Migula 1894 (Approved Lists 1980) is an earlier homonym of a genus name with standing in the zoological (animal) nomenclature: Planococcus Ferris, 1950. — Crook M. Personal communication, 2021-08-19.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "PNCO" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 34
Number of child taxa with a validly published name, including synonyms: 35
Total number of child taxa: 43

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Planococcus alkanoclasticus Engelhardt et al. 2001	validly published under the ICNP	correct name
    "Planococcus alpniumensis" Wang et al. 2021	not validly published	preferred name
    Planococcus antarcticus Reddy et al. 2002	validly published under the ICNP	correct name
    "Planococcus antioxidans" Zhang et al. 2020	not validly published	preferred name
    Planococcus beigongshangi Hao et al. 2025	validly published under the ICNP	correct name
    Planococcus beijingensis Hao et al. 2025	validly published under the ICNP	correct name
    Planococcus chinensis (Dai et al. 2005) Gupta and Patel 2020	validly published under the ICNP	correct name
    "Planococcus circulans" Cui et al. 2026	not validly published	preferred name
    Planococcus citreus Migula 1894 (Approved Lists 1980)	validly published under the ICNP	correct name
    Planococcus columbae Suresh et al. 2007	validly published under the ICNP	correct name
    "Planococcus daihaiensis" Che et al. 2026	not validly published	preferred name
    Planococcus dechangensis Wang et al. 2026	validly published under the ICNP	correct name
    Planococcus donghaensis Choi et al. 2007	validly published under the ICNP	correct name
    Planococcus faecalis Kim et al. 2015	validly published under the ICNP	correct name
    Planococcus glaciei (Zhang et al. 2009) Gupta and Patel 2020	validly published under the ICNP	correct name
    Planococcus halocryophilus Mykytczuk et al. 2012	validly published under the ICNP	correct name
    Planococcus halophilus Novitsky and Kushner 1976 (Approved Lists 1980)	validly published under the ICNP	synonym
    Planococcus halotolerans Gan et al. 2018	validly published under the ICNP	correct name
    Planococcus kocurii Hao and Komagata 1986	validly published under the ICNP	correct name
    Planococcus koreensis (Yoon et al. 2001) Gupta and Patel 2020	validly published under the ICNP	correct name
    Planococcus lenghuensis Yang et al. 2024	validly published under the ICNP	correct name
    Planococcus liqunii Ning et al. 2024	validly published under the ICNP	correct name
    Planococcus maitriensis Alam et al. 2004	validly published under the ICNP	correct name
    Planococcus maritimus Yoon et al. 2003	validly published under the ICNP	correct name
    "Planococcus massiliensis" Seck et al. 2016	not validly published	preferred name
    Planococcus mcmeekinii Junge et al. 1998	validly published under the ICNP	correct name
    Planococcus notacanthi Uniacke-Lowe et al. 2024	validly published under the ICNP	correct name
    Planococcus okeanokoites (ZoBell and Upham 1944) Nakagawa et al. 1996	validly published under the ICNP	correct name
    Planococcus plakortidis Kaur et al. 2012	validly published under the ICNP	correct name
    Planococcus psychrophilus Reddy et al. 2002	validly published under the ICNP	correct name
    Planococcus rifietensis Romano et al. 2003	inaccurate spelling	misspelling
    Planococcus rifietoensis corrig. Romano et al. 2003	validly published under the ICNP	correct name
    Planococcus ruber Wang et al. 2017	validly published under the ICNP	correct name
    Planococcus salinarum Yoon et al. 2010	validly published under the ICNP	correct name
    Planococcus salinus Gan et al. 2018	validly published under the ICNP	correct name
    Planococcus shenhongbingii Ning et al. 2024	validly published under the ICNP	correct name
    Planococcus shixiaomingii Ning et al. 2024	validly published under the ICNP	correct name
    Planococcus soli Zhang et al. 2025	validly published under the ICNP	correct name
    "Planococcus soli" (Luo et al. 2014) Gupta and Patel 2020	not validly published	synonym
    Planococcus stackebrandtii Mayilraj et al. 2005	validly published under the ICNP	correct name
    Planococcus versutus See-Too et al. 2017	validly published under the ICNP	correct name
    Planococcus wigleyi Pallen 2024	validly published under the ICNP	correct name
    "Planococcus wigleyi" Gilroy et al. 2021	not validly published	synonym

Parent taxon: Caryophanaceae Peshkoff 1939 (Approved Lists 1980)

Assigned by: Tindall BJ. When treated as heterotypic synonyms the names Caryophanaceae Peshkoff 1939 (Approved Lists 1980) and Caryophanales Peshkoff 1939 (Approved Lists 1980) have priority over the names Planococcaceae Krasil'nikov 1949 (Approved Lists 1980) and Bacillales Prevot 1953 (Approved Lists 1980) and Bacillales Prevot 1953 (Approved Lists 1980), respectively. Int J Syst Evol Microbiol 2019; 69:2187-2195. 🇩🇪

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Record number: 516348