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Phylum Spirochaetota
Name: Spirochaetota Garrity and Holt 2021
Etymology: Spi.ro.chae.to’ta. N.L. fem. n. Spirochaeta, type genus of the phylum; L. neut. pl. n. suff. -ota, ending to denote a phylum; N.L. neut. pl. n. Spirochaetota, the Spirochaeta phylum
Type genus: Spirochaeta Ehrenberg 1835 (Approved Lists 1980)
Valid publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056. 
IJSEM list:
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 10 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5165.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Synonyms:
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Name Kind "Spirochaetota" Whitman et al. 2018 homotypic synonym, not validly published "Spirochaetaeota" Oren et al. 2015 homotypic synonym, not validly published "Spirochaetae" (Ehrenberg 1855) Cavalier-Smith 1998 heterotypic synonym, not validly published "Spirochaetes" Garrity and Holt 2001 homotypic synonym, not validly published
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Notes:
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🧕 Göker and Oren (2024) assigned this phylum to the domain Bacteria Woese et al. 2024.
Publication:
Goker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. Int J Syst Evol Microbiol 2024; 74:6242.
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🧕 Oren and Garrity (2021) assigned this phylum to the domain "Bacteria" Woese et al. 1990.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
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🧒 Oren and Garrity (2021) assigned the genus Spirochaeta Ehrenberg 1835 (Approved Lists 1980) to this phylum.
Publication:
Oren A, Garrity GM. Valid publication of the names of forty-two phyla of prokaryotes. Int J Syst Evol Microbiol 2021; 71:5056.
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Spirochaeota".
- ✏ The authority of the taxon name (Garrity and Holt) deliberately differs from the authors of the publication (Oren and Garrity).
- 🎰 The BRCs most frequently used for deposits in this group are: DSM: 180; ATCC: 131; CIP: 85; KIT: 53; JCM: 50; NCTC: 14; KCTC: 12; B: 10; VKM: 8; CCUG: 8.
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🧕 Göker and Oren (2024) assigned this phylum to the domain Bacteria Woese et al. 2024.
Publication:
Goker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. Int J Syst Evol Microbiol 2024; 74:6242.
Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 5
Total number of child taxa: 8
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Child taxa:
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Name Nomenclatural status Taxonomic status Brachyspiria Chuvochina et al. 2024 validly published under the ICNP synonym Brevinematia Chuvochina et al. 2024 validly published under the ICNP synonym "Leptospiria" Cavalier-Smith 2020 not validly published synonym Leptospiria Chuvochina et al. 2024 validly published under the ICNP synonym Spirochaetes Cavalier-Smith 2002 validly published under the ICNP, rejected name synonym Spirochaetia Paster 2020 validly published under the ICNP correct name "Spirochaetia" Cavalier-Smith 2020 not validly published synonym [Spirochaetota, not assigned to class] artificial parent node of taxa incertae sedis
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Parent taxon: Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
Assigned by:
Goker M, Oren A. Valid publication of names of two domains and seven kingdoms of prokaryotes. Int J Syst Evol Microbiol 2024; 74:6242.
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Record number: 25883
This LPSN page was printed on 2025-06-23 10:27:05