Name: Hahellaceae Garrity et al. 2005

Category: Family

Proposed as: fam. nov.

Etymology: Ha.hel.la’ce.ae. N.L. fem. dim. n. Hahella, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Hahellaceae, the Hahella family

Pronunciation (Latin), gender: ha-hel-LA-ke-a͡e, feminine

Type genus: Hahella Lee et al. 2001

Effective publication: Garrity GM, Bell JA, Lilburn T. Family III. Hahellaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 299. 🇺🇸

IJSEM list: Euzeby JP. Validation list no. 106. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2005; 55:2235-2238.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🧕 Liao et al. (2020) assigned this family to the order Pseudomonadales Orla-Jensen 1921 (Approved Lists 1980). Publication: Liao H, Lin X, Li Y, Qu M, Tian Y. Reclassification of the Taxonomic Framework of Orders Cellvibrionales, Oceanospirillales, Pseudomonadales, and Alteromonadales in Class Gammaproteobacteria through Phylogenomic Tree Analysis. mSystems 2020; 5:e00543-20. 🇨🇳
  • 🧒 Brenner et al. (2005) assigned the genus Zooshikella Yi et al. 2003 to this family. Publication: Garrity GM, Bell JA, Lilburn T. Family III. Hahellaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 299. 🇺🇸
  • 🧒 Yilmaz et al. (2014) assigned the genus Endozoicomonas Kurahashi and Yokota 2007 to this family. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648. 🇩🇪
  • 🧒 Yilmaz et al. (2014) assigned the genus Kistimonas Choi et al. 2010 to this family. Publication: Yilmaz P, Parfrey LW, Yarza P, Gerken J, Pruesse E, Quast C, Schweer T, Peplies J, Ludwig W, Glöckner FO. The SILVA and “all-species living tree project (LTP)” taxonomic frameworks. Nucleic Acids Research 2014; 42(D1):D643-D648. 🇩🇪
  • 🚃 The type genus of this family has alternatively been placed in the family Marinobacteraceae Liao et al. 2021. Publication: Flores-Felix JD, Garcia-Fraile P, Saati-Santamaria Z. Harmony in diversity: Reorganizing the families within the order Pseudomonadales. Mol Phylogenet Evol 2025; 0:108321. 🇪🇸
  • 🧬 The phylogenomic assignment score of this taxon is 0.03217 (N = 16).
  • 🎰 The BRCs most frequently used for deposits in this group are: KCTC: 4; JCM: 3; NBRC: 3; DSM: 2; KCCM: 2; UNIQEM: 1; LMG: 1; CGMCC: 1; MCCC: 1; ATCC: 1.
  • 🧍 The family name Hahellaceae Garrity et al. 2005 is not validly published because the genus name Hahella Lee et al. 2001 is not validly published. Publication: Lee HK, Chun J, Moon EY, Ko SH, Lee DS, Lee HS, Bae KS. Hahella chejuensis gen. nov., sp. nov., an extracellular-polysaccharide-producing marine bacterium. Int J Syst Evol Microbiol 2001; 51:661-666. 🇰🇷

Subdivision:

Number of child taxa with a validly published and correct name: 5
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 5

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Allohahella Han et al. 2016	validly published under the ICNP	correct name
    Hahella Lee et al. 2001	validly published under the ICNP	correct name
    Halospina Sorokin et al. 2006	validly published under the ICNP	correct name
    Sansalvadorimonas Goldberg et al. 2018	validly published under the ICNP	correct name
    Thermohahella Ganbat et al. 2025	validly published under the ICNP	correct name

Parent taxon: Oceanospirillales Garrity et al. 2005

Assigned by: Garrity GM, Bell JA, Lilburn T. Order VIII. Oceanospirillales ord. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part B (The Gammaproteobacteria), Springer, New York, 2005, p. 270. 🇺🇸

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Record number: 593