SeqCode Registry
Register List https://seqco.de/r:fo7io6k1 [2025]

Register list for 27 new names including Avelusimicrobium faecis sp. nov.

Submitted by Mies, Undine Sophie

Genus Avelusimicrobium

Etymology
[Av.e.lu.si.mi.cro'bi.um] L. fem. n. avis, bird; N.L. neut. n. Elusimicrobium, a bacterial genus; N.L. neut. n. Avelusimicrobium, a genus related to Elusimicrobium that occurs in birds
Nomenclatural type
Species Avelusimicrobium excrementipullorumTs
Description
The genus comprises only metagenome-assembled genomes. Occur in the hindgut of birds and mammals. The genus is defined by phylogenomic analysis as a monophyletic group that shows a relative evolutionary divergence (RED) similar to that of the neighboring genera.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium
References
Effective publication: Mies et al., 2025 [1]

Genus Proelusimicrobium

Etymology
[Pro.e.lu.si.mi.cro'bi.um] Gr. prep. pro, before; N.L. neut. n. Elusimicrobium, a bacterial genus; N.L. neut. n. Proelusimicrobium, the ancestral Elusimicrobium
Nomenclatural type
Species Proelusimicrobium excrementiTs
Description
The genus comprises only metagenome-assembled genomes. Occur in the hindgut of chicken, various ruminants, humans, pigs and baboons. The genus is defined by phylogenomic analysis as a monophyletic group that shows a relative evolutionary divergence (RED) similar to that of the neighboring genera.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Proelusimicrobium
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium alvi

Etymology
[al'vi] L. fem. gen. n. alvi, of the bowel
Nomenclatural type
NCBI Assembly: GCA_905200775.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 54% and the estimated genome size is 1.7 Mbp. 
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium alvi
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium aviculae

Etymology
[a.vi'cu.lae] L. gen. n. aviculae, of a small bird, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_944324655.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 48% and the estimated genome size is 1.7 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium aviculae
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium bubulum

Etymology
[bu'bu.lum] L. neut. adj. bubulum, of or belonging to cattle, referring to the isolation source.
Nomenclatural type
NCBI Assembly: GCA_902798835.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 46% and the estimated genome size is 1.4 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium bubulum
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium caledoniense

Etymology
[ca.le.do.ni.en'se] N.L. neut. adj. caledoniense, of or pertaining to Scotland, where the genome was assembled.
Nomenclatural type
NCBI Assembly: GCA_902793205.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 47% and the estimated genome size is 1.5 Mbp. 
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium caledoniense
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium cornigerorum

Etymology
[cor.ni.ge.ro'rum] L. gen. pl. n. cornigerorum, of horned cattle, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_002309715.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 45% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium cornigerorum
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium excrementipullorumTs

Etymology
[ex.cre.men.ti.pul.lo'rum] L. neut. n. excrementum, excrement; L. masc. n. pullus, a young chicken; N.L. gen. pl. n. excrementipullorum, of young chicken excrement
Nomenclatural type
NCBI Assembly: GCA_944327025.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 53% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium excrementipullorumTs
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium faecicola

Etymology
[fae.ci'co.la] L. fem. n. faex, dregs; L. fem. n. suff. -cola, inhabitant; N.L. fem. n. faecicola, inhabitant of feces
Nomenclatural type
NCBI Assembly: GCA_021636085.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 50% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium faecicola
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium faecis

Etymology
[fae'cis] L. gen. n. faecis, of faeces, referring to the isolation source.
Nomenclatural type
NCBI Assembly: GCA_934636855.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 54% and the estimated genome size is 1.4 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium faecis
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium fimicola

Etymology
[fi.mi'co.la] L. neut. n. fimum, dung, excrement; L. fem. n. suff. -cola, inhabitant; N.L. fem. n. fimicola, dung dweller, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_900541355.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 47% and the estimated genome size is 1.6 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium fimicola
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium gallicola

Etymology
[gal.li'co.la] L. masc. n. gallus, rooster, chicken; L. fem. n. suff. -cola, inhabitant; L. fem. n. gallicola, inhabitant of chickens
Nomenclatural type
NCBI Assembly: GCF_002159705.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 52% and the estimated genome size is 1.6 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium gallicola
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium gallinaceum

Etymology
[gal.li.na'ce.um] L. neut. adj. gallinaceum, of or belonging to poultry, fowl, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_944324965.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 49% and the estimated genome size is 1.7 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium gallinaceum
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium intestinale

Etymology
[in.tes.ti.na'le] N.L. neut. adj. intestinale, of or belonging to the intestine, intestinal, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_902765225.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 48% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium intestinale
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium intestinipullorum

Etymology
[in.tes.ti.ni.pul.lo'rum] L. neut. adj. intestinum, gut; L. masc. n. pullus, a young chicken; L. gen. pl. n. intestinipullorum, from the gut of young chicken
Nomenclatural type
NCBI Assembly: GCA_944324635.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 47% and the estimated genome size is 1.8 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium intestinipullorum
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium luingense

Etymology
[lu.ing.en'se] N.L. neut. adj. luingense, of or from Luing, an island in the Inner Hebrides of Scotland, referring to the origin of the type genome from Luing cattle bred on this island
Nomenclatural type
NCBI Assembly: GCA_900315845.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 44% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium luingense
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium pecoris

Etymology
[pe.co'ris] L. gen. n. pecoris, of livestock, pertaining to the isolation source
Nomenclatural type
NCBI Assembly: GCA_902761975.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 48% and the estimated genome size is 1.3 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium pecoris
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium pullicaecorum

Etymology
[pul.li.cae.co'rum] L. masc. n. pullus, a chicken; N.L. neut. n. caecum, caecum; N.L. gen. pl. n. pullicaecorum, of the caeca of chickens, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_944322825.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 52% and the estimated genome size is 1.6 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium pullicaecorum
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium pullorum

Etymology
[pul.lor'um] L. gen. pl. n. pullorum, of or belonging to young chickens, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_944323745.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 50% and the estimated genome size is 1.7 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium pullorum
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium ruminicola

Etymology
[ru.mi.ni'co.la] L. neut. n. rumen, rumen; L. fem. n. suff. -cola, inhabitant; N.L. fem. n. ruminicola, inhabitant of the rumen
Nomenclatural type
NCBI Assembly: GCA_902764935.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 47% and the estimated genome size is 1.4 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium ruminicola
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium stercoris

Etymology
[ster'co.ris] L. gen. n. stercoris, of excrement, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_002432025.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 49% and the estimated genome size is 1.7 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium stercoris
References
Effective publication: Mies et al., 2025 [1]

Species Avelusimicrobium vaccinum

Etymology
[vac.ci'num] L. neut. adj. vaccinum, of or belonging to cattle, referring to the isolation source.
Nomenclatural type
NCBI Assembly: GCA_902794895.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 43% and the estimated genome size is 1.5 Mbp
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Avelusimicrobium » Avelusimicrobium vaccinum
References
Effective publication: Mies et al., 2025 [1]

Species Elusimicrobium euhamitermitis

Etymology
[eu.ha.mi.ter'mi.tis] N.L. gen. n. euhamitermitis, of Euhamitermes, referring to the termite host genus.
Nomenclatural type
NCBI Assembly: GCA_031254225.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 47.5% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Elusimicrobium » Elusimicrobium euhamitermitis
References
Effective publication: Mies et al., 2025 [1]

Species Proelusimicrobium bovinum

Etymology
[bo.vi'num] L. neut. adj. bovinum, of or belonging to or pertaining to cattle, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_902791965.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 38% and the estimated genome size is 1.6 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Proelusimicrobium » Proelusimicrobium bovinum
References
Effective publication: Mies et al., 2025 [1]

Species Proelusimicrobium excrementiTs

Etymology
[ex.cre.men'ti] L. gen. n. excrementi, of bodily excrement, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_934643455.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 45% and the estimated genome size is 1.7 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Proelusimicrobium » Proelusimicrobium excrementiTs
References
Effective publication: Mies et al., 2025 [1]

Species Proelusimicrobium tauri

Etymology
[tau'ri] L. gen. n. tauri, of a bull, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_002311025.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 36% and the estimated genome size is 1.5 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Proelusimicrobium » Proelusimicrobium tauri
References
Effective publication: Mies et al., 2025 [1]

Species Proelusimicrobium volucris

Etymology
[vo.lu'cris] L. gen. n. volucris, of or belonging to a bird, referring to the isolation source
Nomenclatural type
NCBI Assembly: GCA_944324665.1 Ts
Description
The species comprises only metagenome-assembled genomes. The species includes all bacteria with more than 95% average nucleotide identity (ANI) to the type genome. The GC content of the type genome is 45% and the estimated genome size is 1.6 Mbp.
Classification
Bacteria » Elusimicrobiota » Elusimicrobia » Elusimicrobiales » Elusimicrobiaceae » Proelusimicrobium » Proelusimicrobium volucris
References
Effective publication: Mies et al., 2025 [1]

References

  1. Mies et al. (2025). Comparative genomics of Elusimicrobiaceae (phylum Elusimicrobiota) and description of the isolates Elusimicrobium simillimum sp. nov., Elusimicrobium posterum sp. nov., and Parelusimicrobium proximum gen. nov. sp. nov. Systematic and Applied Microbiology. DOI:10.1016/j.syapm.2025.126606

Register List Certificate of Validation

On behalf of the Committee on the Systematics of Prokaryotes Described from Sequence Data (SeqCode Committee), we hereby certify that the Register List seqco.de/r:fo7io6k1 submitted by Mies, Undine Sophie and including 27 new names has been successfully validated.


Date of Priority: 2025-06-25 11:55 UTC
DOI: 10.57973/seqcode.r:fo7io6k1