Description of Candidatus Onthousia excrementipullorum sp. nov.

Candidatus Onthousia excrementipullorum (ex.cre.men.ti.pul.lo’rum. L. neut. n. excrementum excrement; L. masc. n. pullus a young chicken; N.L. gen. n. excrementipullorum of young chicken excrement)

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 CHK184-20233 and which is available via NCBI BioSample SAMN15817019. The GC content of the type genome is 27.72% and the genome length is 1.3 Mbp.

Description of Candidatus Onthousia faecavium sp. nov.

Candidatus Onthousia 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 CHK195-6217 and which is available via NCBI BioSample SAMN15817026. The GC content of the type genome is 28.40% and the genome length is 1.3 Mbp.

Description of Candidatus Onthousia faecigallinarum sp. nov.

Candidatus Onthousia 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 CHK135-1819 and which is available via NCBI BioSample SAMN15817105. The GC content of the type genome is 32.62% and the genome length is 1.1 Mbp.

Description of Candidatus Onthousia faecipullorum sp. nov.

Candidatus Onthousia 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 CHK195-26880 and which is available via NCBI BioSample SAMN15817040. The GC content of the type genome is 27.41% and the genome length is 1.4 Mbp.

Description of Candidatus Onthovicinus gen. nov.

Candidatus Onthovicinus (On.tho.vi.ci’nus. Gr. masc. n. onthos dung; L. masc. n. vicinus a neighbour; N.L. masc. n. Onthovicinus 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 Onthovicinus excrementipullorum. This is a name for the alphanumeric GTDB genus UMGS1839. 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 Oscillospirales and to the family Acutalibacteraceae.

Description of Candidatus Onthovicinus excrementipullorum sp. nov.

Candidatus Onthovicinus excrementipullorum (ex.cre.men.ti.pul.lo’rum. L. neut. n. excrementum excrement; L. masc. n. pullus a young chicken; N.L. gen. n. excrementipullorum of young chicken excrement)

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 CHK185-12131 and which is available via NCBI BioSample SAMN15817020. The GC content of the type genome is 55.55% and the genome length is 2.4 Mbp.

Description of Candidatus Onthovivens gen. nov.

Candidatus Onthovivens (On.tho.vi’vens. Gr. masc. n. onthos dung; N.L. pres. part. vivens living; N.L. fem. n. Onthovivens 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 Onthovivens merdipullorum. This is a name for the alphanumeric GTDB genus UBA4855. 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 RFN20 and to the family CAG-826.

Description of Candidatus Onthovivens merdipullorum sp. nov.

Candidatus Onthovivens merdipullorum (mer.di.pul.lo’rum. L. fem. n. merda faeces; L. masc. n. pullus a young chicken; N.L. gen. n. merdipullorum of the faeces 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 11159 and which is available via NCBI BioSample SAMN15817139. The GC content of the type genome is 27.05% and the genome length is 1.5 Mbp.