Description of Candidatus Avacholeplasma faecigallinarum sp. nov.

Candidatus Avacholeplasma 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 3263 and which is available via NCBI BioSample SAMN15816972. The GC content of the type genome is 29.88% and the genome length is 1.3 Mbp.

Description of Candidatus Avacidaminococcus gen. nov.

Candidatus Avacidaminococcus (Av.a.cid.a.mi.no.coc’cus. L. fem. n. avis bird; N.L. masc. n. Acidaminococcus a genus name; N.L. masc. n. Avacidaminococcus a genus related to the genus Acidaminococcus but distinct from it and found in poultry)

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 Avacidaminococcus intestinavium. 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 Acidaminococcales and to the family Acidaminococcaceae.

Description of Candidatus Avacidaminococcus intestinavium sp. nov.

Candidatus Avacidaminococcus 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 CHK160-1198 and which is available via NCBI BioSample SAMN15816987. The GC content of the type genome is 37.45% and the genome length is 1.6 Mbp.

Description of Candidatus Avamphibacillus gen. nov.

Candidatus Avamphibacillus (Av.am.phi.ba.cil’lus. L. fem. n. avis bird; N.L. masc. n. Amphibacillus a genus name; N.L. masc. n. Avamphibacillus a genus related to the genus Amphibacillus but distinct from it and found in poultry)

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 Avamphibacillus intestinigallinarum. 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 Bacillales and to the family Amphibacillaceae.

Description of Candidatus Avamphibacillus intestinigallinarum sp. nov.

Candidatus Avamphibacillus 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 CHK125-3527 and which is available via NCBI BioSample SAMN15816959. The GC content of the type genome is 36.77% and the genome length is 2.0 Mbp.

Description of Candidatus Avanaerovorax gen. nov.

Candidatus Avanaerovorax (Av.an.a.e.ro.vo’rax. L. fem. n. avis bird; N.L. masc. n. Anaerovorax a genus name; N.L. masc. n. Avanaerovorax a genus related to the genus Anaerovorax but distinct from it and found in poultry)

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 Avanaerovorax faecigallinarum. 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 Peptostreptococcales and to the family Anaerovoracaceae.

Description of Candidatus Avanaerovorax faecigallinarum sp. nov.

Candidatus Avanaerovorax 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 Gambia13-1450 and which is available via NCBI BioSample SAMN15816994. The GC content of the type genome is 48.68% and the genome length is 1.8 Mbp.

Description of Candidatus Aveggerthella gen. nov.

Candidatus Aveggerthella (Av.eg.ger.thel’la. L. fem. n. avis bird; N.L. fem. n. Eggerthella a genus name; N.L. fem. n. Aveggerthella a genus related to the genus Eggerthella but distinct from it and found in poultry)

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 Avieggerthella excrementigallinarum. 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 Coriobacteriales and to the family Eggerthellaceae.