Description of Candidatus Faecousia faecavium sp. nov.

Candidatus Faecousia faecavium (faec.a’vi.um. L. fem. n. faex, faecis excrement; L. fem. n. avis bird; N.L. gen. n. faecavium 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 ChiBcec21-2751 and which is available via NCBI BioSample SAMN15817064. The GC content of the type genome is 53.76% and the genome length is 2.4 Mbp.

Description of Candidatus Faecousia faecigallinarum sp. nov.

Candidatus Faecousia faecigallinarum (fae.ci.gal.li.na’rum. L. fem. n. faex, faecis excrement; L. fem. n. gallina hen; N.L. gen. n. faecigallinarum 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 ChiHcolR29-948 and which is available via NCBI BioSample SAMN15817073. The GC content of the type genome is 58.86% and the genome length is 1.9 Mbp.

Description of Candidatus Faecousia faecipullorum sp. nov.

Candidatus Faecousia 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 ChiHecec2B26-1122 and which is available via NCBI BioSample SAMN15817098. The GC content of the type genome is 55.50% and the genome length is 1.9 Mbp.

Description of Candidatus Faecousia gallistercoris sp. nov.

Candidatus Faecousia gallistercoris (gal.li.ster’co.ris. L. masc. n gallus chicken; L. neut. n. stercus dung; N.L. gen. n. gallistercoris of 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 7739 and which is available via NCBI BioSample SAMN15817186. This is a new name for the alphanumeric GTDB species sp900546915. The GC content of the type genome is 58.30% and the genome length is 1.8 Mbp.

Description of Candidatus Faecousia intestinavium sp. nov.

Candidatus Faecousia 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 ChiHcec3-9842 and which is available via NCBI BioSample SAMN15817111. The GC content of the type genome is 57.16% and the genome length is 2.1 Mbp.

Description of Candidatus Faecousia intestinigallinarum sp. nov.

Candidatus Faecousia 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 ChiSxjej3B15-29383 and which is available via NCBI BioSample SAMN15817112. The GC content of the type genome is 55.74% and the genome length is 2.1 Mbp.

Description of Candidatus Fimadaptatus gen. nov.

Candidatus Fimadaptatus (Fim.a.dap.ta’tus. L. neut. n. fimum dung; L. past part. masc. adaptatus adapted to; N.L. masc. n. Fimadaptatus a microbe associated with faeces)

A bacterial genus identified by metagenomic analyses. The genus includes all bacteria with genomes that show ≥60% average amino acid identity (AAI) to the type genome from the type species Candidatus Fimadaptatus faecigallinarum. This is a name for the alphanumeric GTDB genus UMGS1633. This genus has been assigned by GTDB-Tk v1.3.0 working on GTDB Release 05-RS95 (Chaumeil et al., 2019; Parks et al., 2020) to the order Christensenellales and to the family CAG-74.

Description of Candidatus Fimadaptatus faecigallinarum sp. nov.

Candidatus Fimadaptatus faecigallinarum (fae.ci.gal.li.na’rum. L. fem. n. faex, faecis excrement; L. fem. n. gallina hen; N.L. gen. n. faecigallinarum 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 ChiSxjej2B14-8506 and which is available via NCBI BioSample SAMN15817140. The GC content of the type genome is 60.44% and the genome length is 2.8 Mbp.