Name: Meganema Thomsen et al. 2006

Category: Genus

Proposed as: gen. nov.

Etymology: Gr. adj. megas, big; Gr. neut. n. nêma, thread; N.L. neut. n. Meganema, large thread-like micro-organism

Gender: neuter

Type species: Meganema perideroedes Thomsen et al. 2006

Valid 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.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 8 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2509-2510.

Nomenclatural status: validly published, illegitimate name

Taxonomic status: synonym

Correct name: Neomegalonema Oren 2017

• Synonyms:

  • Name	Kind
    Neomegalonema Oren 2017	homotypic synonym, validly published

• Notes:
  • Nomenclatural type of the family "Meganemaceae" McIlroy et al. 2015. Publication: McIlroy SJ, Lapidus A, Thomsen TR, Han J, Haynes M, Lobos E, Huntemann M, Pati A, Ivanova NN, Markowitz V, et al. High quality draft genome sequence of Meganema perideroedes str. Gr1^T and a proposal for its reclassification to the family Meganemaceae fam. nov. Stand Genomic Sci 2015; 10:23.
  • Oren (2017) assigned this genus to the family Methylobacteriaceae Garrity et al. 2006. 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.
  • Later homonym of two generic names used in the zoological nomenclature.
  • According to the NCBI Taxonomy Browser, Meganema Thomsen et al. 2006 was previously known as "Candidatus Meganema" Thomsen et al. 2002 (unpublished).

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Candidatus Meganema perideroedes" Nielsen et al. 2003	not validly published
    Meganema perideroedes Thomsen et al. 2006	validly published, illegitimate name	synonym

Parent taxon: Neomegalonemataceae Hördt et al. 2020

Assigned by: 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.

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