Name: Neomegalonema perideroedes (Thomsen et al. 2006) Oren 2017

Category: Species

Proposed as: comb. nov.

Basonym: Meganema perideroedes Thomsen et al. 2006

Etymology: pe.ri.de.ro’e.des. N.L. adj. perideroedes, necklace-like

Gender: neuter

Type strain: ATCC BAA-740; DSM 15528; Gr1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF180468 Analyse FASTA

Valid publication: Oren A. On names of genera of prokaryotes that are later homonyms of generic names with standing in the zoological or the botanical nomenclature. Proposal of Neomegalonema gen. nov. and Neomegalonema perideroedes comb. nov. as replacements for the prokaryotic generic name Meganema and the species name Meganema perideroedes. Int J Syst Evol Microbiol 2017; 67:4276-4278.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 10 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Meganema perideroedes Thomsen et al. 2006	homotypic synonym, validly published under the ICNP, illegitimate name
    "Candidatus Meganema perideroedes" Nielsen et al. 2003	homotypic synonym, inaccurate spelling
    "Candidatus Neomegalonema perideroedes" corrig. Nielsen et al. 2003	homotypic synonym, not validly published

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
    Notes:
    • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project.

• Notes:
  • 🥇 Nomenclatural type of the genus Neomegalonema Oren 2017. Publication: Oren A. On names of genera of prokaryotes that are later homonyms of generic names with standing in the zoological or the botanical nomenclature. Proposal of Neomegalonema gen. nov. and Neomegalonema perideroedes comb. nov. as replacements for the prokaryotic generic name Meganema and the species name Meganema perideroedes. Int J Syst Evol Microbiol 2017; 67:4276-4278.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 2 times in PubMed until 2024-03-28.
  • 🧍 Replaces the illegitimate name Meganema perideroedes (Oren 2017). Publication: Thomsen TR, Blackall LL, de Muro MA, Nielsen JL, Nielsen PH. Meganema perideroedes gen. nov., sp. nov., a filamentous alphaproteobacterium from activated sludge. Int J Syst Evol Microbiol 2006; 56:1865-1868.

Parent taxon: Neomegalonema Oren 2017

Assigned by: Oren A. On names of genera of prokaryotes that are later homonyms of generic names with standing in the zoological or the botanical nomenclature. Proposal of Neomegalonema gen. nov. and Neomegalonema perideroedes comb. nov. as replacements for the prokaryotic generic name Meganema and the species name Meganema perideroedes. Int J Syst Evol Microbiol 2017; 67:4276-4278.

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Record number: 796089