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Phylum Fidelibacterota
Name: Fidelibacterota Katayama et al. 2024
Etymology: Fi.de.li.bac.te.ro’ta. N.L. masc. n. Fidelibacter, type genus of the phylum; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Fidelibacterota, the phylum of the genus Fidelibacter
Pronunciation, gender: fi-de-li-bak-te-RO-ta, neuter
Type genus: Fidelibacter Katayama et al. 2024
Valid publication:
Katayama T, Nobu MK, Kamagata Y, Tamaki H. Fidelibacter multiformis gen. nov., sp. nov., isolated from a deep subsurface aquifer and proposal of Fidelibacterota phyl. nov., formerly called Marine Group A, SAR406 or Candidatus Marinimicrobia. Int J Syst Evol Microbiol 2024; 74:6558. 
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IJSEM list:
Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 74, part 10 of the IJSEM. Int J Syst Evol Microbiol 2025; 75:6588.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Notes:
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🧒 Katayama et al. (2024) assigned the genus Fidelibacter Katayama et al. 2024 to this phylum.
Publication:
Katayama T, Nobu MK, Kamagata Y, Tamaki H. Fidelibacter multiformis gen. nov., sp. nov., isolated from a deep subsurface aquifer and proposal of Fidelibacterota phyl. nov., formerly called Marine Group A, SAR406 or Candidatus Marinimicrobia. Int J Syst Evol Microbiol 2024; 74:6558. 🇯🇵
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🧒 Katayama et al. (2024) assigned the order Fidelibacterales Katayama et al. 2024 to this phylum.
Publication:
Katayama T, Nobu MK, Kamagata Y, Tamaki H. Fidelibacter multiformis gen. nov., sp. nov., isolated from a deep subsurface aquifer and proposal of Fidelibacterota phyl. nov., formerly called Marine Group A, SAR406 or Candidatus Marinimicrobia. Int J Syst Evol Microbiol 2024; 74:6558. 🇯🇵
- 🎰 The BRCs most frequently used for deposits in this group are: JCM: 1; KCTC: 1.
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🧒 Katayama et al. (2024) assigned the genus Fidelibacter Katayama et al. 2024 to this phylum.
Publication:
Katayama T, Nobu MK, Kamagata Y, Tamaki H. Fidelibacter multiformis gen. nov., sp. nov., isolated from a deep subsurface aquifer and proposal of Fidelibacterota phyl. nov., formerly called Marine Group A, SAR406 or Candidatus Marinimicrobia. Int J Syst Evol Microbiol 2024; 74:6558.
Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1
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Child taxa:
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Name Nomenclatural status Taxonomic status Fidelibacteria Katayama et al. 2024 validly published under the ICNP correct name
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Parent taxon: [Bacteria, not assigned to kingdom]
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Record number: 54624
This LPSN page was printed on 2026-01-20 19:18:51