Name: Microtetraspora helvata (Nonomura and Ohara 1971) Kroppenstedt et al. 1991

Category: Species

Proposed as: comb. nov.

Basonym: Actinomadura helvata Nonomura and Ohara 1971 (Approved Lists 1980)

Etymology: hel.va’ta. L. fem. adj. helvata, honey-yellow, referring to the color of the substrate mycelium

Gender: feminine

Type strain: ATCC 27295; BCRC 13402; CBS 259.72; CCRC 13402; DSM 43142; IFO 14681; IMET 9584; JCM 3143; KCTC 9274; NBRC 14681; NCIMB 11115; NRRL B-16123; PCM 2199

See detailed strain information at

16S rRNA gene: MT760417 Analyse FASTA

Effective publication: Kroppenstedt RM, Stackebrandt E, Goodfellow M. Taxonomic revision of the actinomycete genera Actinomadura and Microtetraspora. Syst. Appl. Microbiol. 1990; 13:148-160.

IJSEM list: Anonymous. Validation list no. 36. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:178-179.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Nonomuraea helvata corrig. (Nonomura and Ohara 1971) Zhang et al. 1998

Risk group: 1

• Synonyms:

  • Name	Kind
    Nonomuraea helvata corrig. (Nonomura and Ohara 1971) Zhang et al. 1998	homotypic synonym, validly published under the ICNP
    Actinomadura helvata Nonomura and Ohara 1971 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Nonomuria helvata (Nonomura and Ohara 1971) Zhang et al. 1998	homotypic synonym, inaccurate spelling

• Notes:
  • ❗ Microtetraspora helvata is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Microtetraspora.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 0 times in PubMed until 2024-03-27.

Parent taxon: Microtetraspora Thiemann et al. 1968 (Approved Lists 1980)

Assigned by: Kroppenstedt RM, Stackebrandt E, Goodfellow M. Taxonomic revision of the actinomycete genera Actinomadura and Microtetraspora. Syst. Appl. Microbiol. 1990; 13:148-160.

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Record number: 778250