Name: Pseudothauera rhizosphaerae (Lin et al. 2020) Huang et al. 2022

Category: Species

Proposed as: comb. nov.

Basonym: Azoarcus rhizosphaerae Lin et al. 2020

Etymology: rhi.zo.sphae’rae. Gr. fem. n. rhiza, root; Gr. fem. n. sphaîra, ball, sphere; N.L. gen. fem. n. rhizosphaerae, from the rhizosphere

Pronunciation (Latin), gender: pse͡u-do-T^HA͡U-e-ra r^hi-zo-SP^HA͡E-ra͡e, feminine

Type strain: BCRC 81060; CC-YHH848; JCM 32002

Conduct genome-based taxonomy at

16S rRNA gene: KY860534 Analyse FASTA

Effective publication: Huang Z, Liu R, Chen F, Lai Q, Oren A, Shao Z. Nitrogeniibacter aestuarii sp. nov., a Novel Nitrogen-Fixing Bacterium Affiliated to the Family Zoogloeaceae and Phylogeny of the Family Zoogloeaceae Revisited. Front Microbiol 2021; 12:755908. 🇨🇳

IJSEM list: Oren A, Garrity GM. Validation list no. 203. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2022; 72:5167.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Azoarcus rhizosphaerae Lin et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.09719 (N = 5).
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 0 times in PubMed until 2026-06-11.

Parent taxon: Pseudothauera Huang et al. 2022

Assigned by: Huang Z, Liu R, Chen F, Lai Q, Oren A, Shao Z. Nitrogeniibacter aestuarii sp. nov., a Novel Nitrogen-Fixing Bacterium Affiliated to the Family Zoogloeaceae and Phylogeny of the Family Zoogloeaceae Revisited. Front Microbiol 2021; 12:755908. 🇨🇳

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Record number: 26744