Description of Candidatus Caccoplasma merdavium sp. nov.

Candidatus Caccoplasma 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 6821 and which is available via NCBI BioSample SAMN15817190. This is a new name for the alphanumeric GTDB species sp900542765. The GC content of the type genome is 52.79% and the genome length is 2.4 Mbp.

Description of Candidatus Caccoplasma merdipullorum sp. nov.

Candidatus Caccoplasma 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 G3-4614 and which is available via NCBI BioSample SAMN15817135. The GC content of the type genome is 46.70% and the genome length is 2.0 Mbp.

Description of Candidatus Caccopulliclostridium gen. nov.

Candidatus Caccopulliclostridium (Cac.co.pul.li.clos.tri’di.um. Gr. fem. n. kakke faeces; L. masc. n. pullus a young chicken; N.L. neut. n. Clostridium a genus name; N.L. neut. n. Caccopulliclostridium a genus related to the genus Clostridium but distinct from it and found in poultry 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 Caccopulliclostridium gallistercoris. This genus was identified but not named by Glendinning et al. (2020). 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 4C28d-15 and to the family UBA1242.

Description of Candidatus Caccopulliclostridium gallistercoris sp. nov.

Candidatus Caccopulliclostridium 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 CHK186-9395 and which is available via NCBI BioSample SAMN15816943. The GC content of the type genome is 35.40% and the genome length is 1.0 Mbp.

Description of Candidatus Caccosoma gen. nov.

Candidatus Caccosoma (Cac.co.so’ma. Gr. fem. n. kakke dung; Gr. neut. n. soma a body; N.L. neut. n. Caccosoma 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 Caccosoma faecigallinarum. This is a name for the alphanumeric GTDB genus CAG-631. 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-631.

Description of Candidatus Caccosoma faecigallinarum sp. nov.

Candidatus Caccosoma 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 14508 and which is available via NCBI BioSample SAMN15817185. This is a new name for the alphanumeric GTDB species sp000433015. The GC content of the type genome is 30.38% and the genome length is 1.3 Mbp.

Description of Candidatus Caccousia gen. nov.

Candidatus Caccousia (Cacc.ou’si.a. Gr. fem. n. kakke dung; Gr. fem. n. ousia an essence; N.L. fem. n. Caccousia 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 Caccousia avicola. This is a name for the alphanumeric GTDB genus An200. 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 Caccousia avicola sp. nov.

Candidatus Caccousia 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 ChiSxjej1B13-7958 and which is available via NCBI BioSample SAMN15817070. The GC content of the type genome is 58.28% and the genome length is 2.2 Mbp.