Name: Xylanimicrobium Stackebrandt and Schumann 2004

Category: Genus

Proposed as: gen. nov.

Etymology: Xy.la.ni.mi.cro’bi.um. N.L. neut. adj. xylanum, xylan; N.L. neut. n. microbium, microbe; N.L. neut. n. Xylanimicrobium, xylan(-hydrolysing) microbe

Gender, pronunciation (Latin): neuter (stem: Xylanimicrobi-), xy-la-ni-mi-KRO-bi-um

Type species: Xylanimicrobium pachnodae (Cazemier et al. 2004) Stackebrandt and Schumann 2004

Valid publication: Stackebrandt E, Schumann P. Reclassification of Promicromonospora pachnodae Cazemier et al. 2004 as Xylanimicrobium pachnodae gen. nov., comb. nov. Int J Syst Evol Microbiol 2004; 54:1383-1386. 🇩🇪

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 54, part 4 of the IJSEM. Int J Syst Evol Microbiol 2004; 54:1911-1913.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Xylanimonas Rivas et al. 2003

• Synonyms:

  • Name	Kind
    Xylanimonas Rivas et al. 2003	heterotypic synonym, validly published under the ICNP
    Xylanibacterium Rivas et al. 2004	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🚂 For the type species of this genus another name is in use, which is affiliated with the genus Xylanimonas Rivas et al. 2003. Publication: Heo J, Cho H, Hamada M, Kim JS, Hong SB, Kim SJ, Kwon SW. Xylanimonas allomyrinae sp. nov. isolated from the gut of larva of Allomyrina dichotoma, reclassification of Xylanibacterium ulmi as Xylanimonas ulmi comb. nov. and Xylanimicrobium pachnodae as Xylanimonas pachnodae comb. nov., and emendation of the genus Xylanimonas. Int J Syst Evol Microbiol 2020; 70:1924-1930. 🇰🇷
  • ❗ Xylanimicrobium is the correct name instead if this genus is regarded as a separate genus (i.e., if its nomenclatural type is not assigned to another genus whose name is validly published, legitimate and not rejected and has priority).
  • 🧬 The phylogenomic assignment score of this taxon is 0.04767 (N = 7).
  • 🎰 The BRCs most frequently used for deposits in this group are: NCCB: 1; KACC: 1; DSM: 1; JCM: 1.
  • 🧍 The etymology given by Stackebrandt and Schumann 2004 is the following: N.L. neut. n. xylan (sic), xylan a polysaccharide; Gr. adj. mikros, small; Gr. masc. n. bios, life; N.L. neut. n. Xylanimicrobium, xylan-hydrolysing microbe. However, according to Rule 65, the correct name should be Xylanimicrobius and this name should be in the masculine gender. Consequently, the etymology provided above (see Etymology) has been changed in order to have a name in the neuter gender. Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Xylanimicrobium pachnodae (Cazemier et al. 2004) Stackebrandt and Schumann 2004	validly published under the ICNP	synonym

Parent taxon: Promicromonosporaceae Rainey et al. 1997

Assigned by: Zhi XY, Li WJ, Stackebrandt E. An update of the structure and 16S rRNA gene sequence-based definition of higher ranks of the class Actinobacteria, with the proposal of two new suborders and four new families and emended descriptions of the existing higher taxa. Int J Syst Evol Microbiol 2009; 59:589-608. 🇨🇳

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Record number: 516938