Name: Erythrobacteraceae Lee et al. 2005

Category: Family

Proposed as: fam. nov.

Etymology: E.ry.thro.bac.te.ra’ce.ae. N.L. masc. n. Erythrobacter, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Erythrobacteraceae, the Erythrobacter family

Pronunciation (Latin), gender: e-ry-t^hro-bak-te-RA-ke-a͡e, feminine

Type genus: Erythrobacter Shiba and Simidu 1982

Valid publication: Lee KB, Liu CT, Anzai Y, Kim H, Aono T, Oyaizu H. The hierarchical system of the 'Alphaproteobacteria': description of Hyphomonadaceae fam. nov., Xanthobacteraceae fam. nov. and Erythrobacteraceae fam. nov. Int J Syst Evol Microbiol 2005; 55:1907-1919. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 5 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:7-9.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Xu et al. 2009 Xu XW, Wu YH, Wang CS, Wang XG, Oren A, Wu M. Croceicoccus marinus gen. nov., sp. nov., a yellow-pigmented bacterium from deep-sea sediment, and emended description of the family Erythrobacteraceae. Int J Syst Evol Microbiol 2009; 59:2247-2253. 🇨🇳 Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 9 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:2921-2922.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 1 genus in the family.
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪 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 inclusion of 2 genera in the family.

• Notes:
  • 🧕 Lee et al. (2005) assigned this family to the class Alphaproteobacteria Garrity et al. 2006. Publication: Lee KB, Liu CT, Anzai Y, Kim H, Aono T, Oyaizu H. The hierarchical system of the 'Alphaproteobacteria': description of Hyphomonadaceae fam. nov., Xanthobacteraceae fam. nov. and Erythrobacteraceae fam. nov. Int J Syst Evol Microbiol 2005; 55:1907-1919. 🇯🇵
  • 🚃 The type genus of this family has alternatively been placed in the family Sphingomonadaceae Kosako et al. 2000. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🚃 The type genus of this family has alternatively been placed in the family Sphingomonadaceae Kosako et al. 2000. Publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Liu et al. (2021), Wang et al. (2025). 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: KCTC: 177; DSM: 111; JCM: 110; NBRC: 77; MCCC: 69; LMG: 56; CGMCC: 54; KACC: 50; CIP: 34; GDMCC: 33.

Subdivision:

Number of child taxa with a validly published and correct name: 19
Number of child taxa with a validly published name, including synonyms: 32
Total number of child taxa: 34

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Actirhodobacter Xue et al. 2021	validly published under the ICNP	synonym
    Aestuarierythrobacter Wang et al. 2025	validly published under the ICNP	synonym
    Agrinovosphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Allopontixanthobacter Liu et al. 2021	validly published under the ICNP	synonym
    Alteraurantiacibacter Xu et al. 2020	validly published under the ICNP	correct name
    Altererythrobacter Kwon et al. 2007	validly published under the ICNP	correct name
    Altericroceibacterium Xu et al. 2020	validly published under the ICNP	correct name
    Alterinovosphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Alteripontixanthobacter Xu et al. 2020	validly published under the ICNP	correct name
    Alteriqipengyuania Xu et al. 2020	validly published under the ICNP	correct name
    Aurantiacibacter Xu et al. 2020	validly published under the ICNP	correct name
    Caenibius Hördt et al. 2020	validly published under the ICNP	correct name
    "Citrimicrobium" Jung et al. 2014	not validly published	preferred name
    Croceibacterium Liu et al. 2019	validly published under the ICNP	correct name
    Croceicoccus Xu et al. 2009	validly published under the ICNP	correct name
    Erythrobacter Shiba and Simidu 1982	validly published under the ICNP	correct name
    Erythromicrobium Yurkov et al. 1994	validly published under the ICNP	synonym
    Flavinovosphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Fulverythrobacter Lin et al. 2026	validly published under the ICNP	correct name
    "Litorerythrobacter" Kathiresan et al. 2026	not validly published	preferred name
    Novosphingobium Takeuchi et al. 2001	validly published under the ICNP	correct name
    Paranovosphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Parapontixanthobacter Xu et al. 2020	validly published under the ICNP	synonym
    Paraurantiacibacter Xu et al. 2020	validly published under the ICNP	correct name
    Parerythrobacter Xu et al. 2020	validly published under the ICNP	correct name
    Pelagerythrobacter Xu et al. 2020	validly published under the ICNP	correct name
    Pontixanthobacter Xu et al. 2020	validly published under the ICNP	correct name
    Porphyrobacter Fuerst et al. 1993	validly published under the ICNP	synonym
    Pseudoblastomonas Wang et al. 2025	validly published under the ICNP	synonym
    Pseudonovosphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Pseudopontixanthobacter Sun et al. 2020	validly published under the ICNP	correct name
    Pseudopontixanthobacter Liu et al. 2021	validly published under the ICNP, illegitimate name, later homonym	synonym
    Qipengyuania Feng et al. 2015	validly published under the ICNP	correct name
    Tsuneonella Xu et al. 2020	validly published under the ICNP	correct name

Parent taxon: Sphingomonadales Yabuuchi and Kosako 2006

Assigned by: Lee KB, Liu CT, Anzai Y, Kim H, Aono T, Oyaizu H. The hierarchical system of the 'Alphaproteobacteria': description of Hyphomonadaceae fam. nov., Xanthobacteraceae fam. nov. and Erythrobacteraceae fam. nov. Int J Syst Evol Microbiol 2005; 55:1907-1919. 🇯🇵

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Record number: 494