Description of Candidatus Avilachnospira avicola sp. nov.

Candidatus Avilachnospira 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 ChiHecec3B27-5021 and which is available via NCBI BioSample SAMN15816990. The GC content of the type genome is 49.15% and the genome length is 1.6 Mbp.

Description of Candidatus Avilachnospira avistercoris sp. nov.

Candidatus Avilachnospira avistercoris (a.vi.ster’co.ris. L. fem. n. avis bird; L. neut. n. stercus dung; N.L. gen. n. avistercoris 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 ChiGjej5B5-15814 and which is available via NCBI BioSample SAMN15816991. The GC content of the type genome is 50.02% and the genome length is 1.6 Mbp.

Description of Candidatus Avimonoglobus gen. nov.

Candidatus Avimonoglobus (A.vi.mo.no.glo’bus. L. fem. n. avis bird; N.L. masc. n. Monoglobus a genus name; N.L. masc. n. Avimonoglobus a genus related to the genus Monoglobus 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 Avimonoglobus intestinipullorum. 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 Monoglobales_A and to the family UBA1381.

Description of Candidatus Avimonoglobus intestinipullorum sp. nov.

Candidatus Avimonoglobus 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 ChiSjej4B22-9803 and which is available via NCBI BioSample SAMN15816985. The GC content of the type genome is 51.95% and the genome length is 1.8 Mbp.

Description of Candidatus Avimuribaculum gen. nov.

Candidatus Avimuribaculum (A.vi.mu.ri.ba’cu.lum. L. fem. n. avis bird; N.L. neut. n. Muribaculum a genus name; N.L. neut. n. Avimuribaculum a genus related to the genus Muribaculum 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 Avimuribaculum pullicola. 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 Bacteroidales and to the family Muribaculaceae.

Description of Candidatus Avimuribaculum pullicola sp. nov.

Candidatus Avimuribaculum pullicola (pul.li’co.la. L. masc. n. pullus a young chicken; L. suff. -cola inhabitant of; N.L. n. pullicola an inhabitant 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 ChiHecec3B27-9160 and which is available via NCBI BioSample SAMN15816969. The GC content of the type genome is 47.58% and the genome length is 2.2 Mbp.

Description of Candidatus Avipropionibacterium gen. nov.

Candidatus Avipropionibacterium (A.vi.pro.pi.o.ni.bac.te’ri.um. L. fem. n. avis bird; N.L. neut. n. Propionibacterium a genus name; N.L. neut. n. Avipropionibacterium a genus related to the genus Propionibacterium 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 Avipropionibacterium avicola. 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 Propionibacteriales and to the family Propionibacteriaceae.

Description of Candidatus Avipropionibacterium avicola sp. nov.

Candidatus Avipropionibacterium 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 ChiGjej1B1-24693 and which is available via NCBI BioSample SAMN15816979. The GC content of the type genome is 69.14% and the genome length is 3.2 Mbp.