Name: Phycicoccus duodecadis (Lochhead 1958) Nouioui et al. 2018

Category: Species

Proposed as: comb. nov.

Basonym: Arthrobacter duodecadis Lochhead 1958 (Approved Lists 1980)

Etymology: du.o.de’ca.dis. L. fem. n. duodecas, the number twelve; L. gen. fem. n. duodecadis, of twelve, referring to the requirement of the organism for vitamin B12

Gender: masculine

Type strain: ATCC 13347; CIP 102696; DSM 12806; IAM 14868; IFO 12959; JCM 11564; LMG 17308; NBRC 12959; NCIB 9222; NCIMB 9222; VKM Ac-1108

Conduct genome-based taxonomy at

16S rRNA gene: AB072496 Analyse FASTA

Effective publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

IJSEM list: Oren A, Garrity GM. Validation list no. 184. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2018; 68:3379-3393.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

• Synonyms:

  • Name	Kind
    Tetrasphaera duodecadis (Lochhead 1958) Ishikawa and Yokota 2006	homotypic synonym, validly published under the ICNP, illegitimate name
    Arthrobacter duodecadis Lochhead 1958 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.02989 (N = 15).
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Phycicoccus Lee 2006

Assigned by: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007.

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Record number: 798254