Description of Candidatus Borkfalkia faecipullorum sp. nov.

Candidatus Borkfalkia faecipullorum (fae.ci.pul.lo’rum. L. fem. n. faex, faecis excrement; L. masc. n. pullus a young chicken; N.L. gen. n. faecipullorum of young chicken faeces)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID 811 and which is available via NCBI BioSample SAMN15816621. The GC content of the type genome is 54.29% and the genome length is 1.9 Mbp.

Description of Candidatus Borkfalkia stercoripullorum sp. nov.

Candidatus Borkfalkia stercoripullorum (ster.co.ri.pul.lo’rum. L. neut. n. stercus dung; L. masc. n. pullus a young chicken; N.L. gen. n. stercoripullorum of the faceces of young chickens)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID CHK196-13738 and which is available via NCBI BioSample SAMN15816588. The GC content of the type genome is 55.22% and the genome length is 1.8 Mbp.

Description of Candidatus Brachybacterium intestinipullorum sp. nov.

Candidatus Brachybacterium intestinipullorum (in.tes.ti.ni.pul.lo’rum. L. neut. n. intestinum gut; L. masc. n. pullus a young chicken; N.L. gen. n. intestinipullorum of the gut of young chickens)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID CHK130-7132 and which is available via NCBI BioSample SAMN15816812. This is a new name for the alphanumeric GTDB species sp003711805. The GC content of the type genome is 72.59% and the genome length is 3.5 Mbp.

Description of Candidatus Brachybacterium merdavium sp. nov.

Candidatus Brachybacterium merdavium (merd.a’vi.um. L. fem. n. merda faeces; L. fem. n. avis bird; N.L. gen. n. merdavium of bird faeces)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID ChiHjej13B12-24818 and which is available via NCBI BioSample SAMN15816666. The GC content of the type genome is 70.22% and the genome length is 3.7 Mbp.

Description of Candidatus Brachybacterium merdigallinarum sp. nov.

Candidatus Brachybacterium merdigallinarum (mer.di.gal.li.na’rum. L. fem. n. merda faeces; L. fem. n. gallina hen; N.L. gen. n. merdigallinarum of hen faeces)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID ChiHjej13B12-7362 and which is available via NCBI BioSample SAMN15816717. The GC content of the type genome is 71.16% and the genome length is 3.1 Mbp.

Description of Candidatus Brevibacterium intestinavium sp. nov.

Candidatus Brevibacterium intestinavium (in.tes.tin.a’vi.um. L. neut. n. intestinum gut; L. fem. n. avis bird; N.L. gen. n. intestinavium of the gut of birds)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID 5295 and which is available via NCBI BioSample SAMN15816668. The GC content of the type genome is 66.76% and the genome length is 3.2 Mbp.

Description of Candidatus Brevibacterium intestinigallinarum sp. nov.

Candidatus Brevibacterium intestinigallinarum (in.tes.ti.ni.gal.li.na’rum. L. neut. n. intestinum gut; L. fem. n. gallina hen; N.L. gen. n. intestinigallinarum of the gut of the hens)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID CHK132-2174 and which is available via NCBI BioSample SAMN15816673. The GC content of the type genome is 70.54% and the genome length is 2.7 Mbp.

Description of Candidatus Butyricicoccus avicola sp. nov.

Candidatus Butyricicoccus avicola (a.vi’co.la. L. fem. n. avis bird; L. suff. -cola inhabitant of; N.L. n. avicola inhabitant of birds)

A bacterial species identified by metagenomic analyses. This species includes all bacteria with genomes that show ≥95% average nucleotide identity (ANI) to the type genome, which has been assigned the MAG ID ChiSjej6B24-14740 and which is available via NCBI BioSample SAMN15816587. The GC content of the type genome is 59.67% and the genome length is 2.0 Mbp.