Name: Thermoflavimicrobium dichotomicum (Krassilnikov and Agre 1964) Yoon et al. 2005

Category: Species

Proposed as: comb. nov.

Basonym: "Actinobifida dichotomica" Krassilnikov and Agre 1964

Etymology: di.cho.to.mi.cum. L. masc. adj. dichotomos, cut in two; N.L. neut. adj. dichotomicum, dichotomous

Gender: neuter

Type strain: 114; 114 (Department Soil Biology); ATCC 49854; DSM 44778; JCM 9688; KCTC 3667; strain 114 (Department Soil Biology Moscow University); VKM Ac-1435

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF138733 Analyse FASTA

Valid publication: Yoon JH, Kim IG, Shin YK, Park YH. Proposal of the genus Thermoactinomyces sensu stricto and three new genera, Laceyella, Thermoflavimicrobium and Seinonella, on the basis of phenotypic, phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2005; 55:395-400.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 1 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:987-991.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    "Actinobifida dichotomica" Krassilnikov and Agre 1964	homotypic synonym, not validly published, basonym of name in Approved Lists
    Thermoactinomyces dichotomica (Krassilnikov and Agre 1964) Cross and Goodfellow 1973 (Approved Lists 1980)	homotypic synonym, inaccurate spelling
    Thermoactinomyces dichotomicus corrig. (Krassilnikov and Agre 1964) Cross and Goodfellow 1973 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Thermoflavimicrobium Yoon et al. 2005. Publication: Yoon JH, Kim IG, Shin YK, Park YH. Proposal of the genus Thermoactinomyces sensu stricto and three new genera, Laceyella, Thermoflavimicrobium and Seinonella, on the basis of phenotypic, phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2005; 55:395-400.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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, note = "+". — 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 4 times in PubMed until 2024-03-28.
  • 🧍 In the paper by Yoon et al. 2005, Thermoflavimicrobium dichotomicum is erroneously cited as (Cross and Goodfellow 1973) Yoon et al. 2005, and the basonym is erroneously cited as Thermoactinomyces dichotomicus (ex Krasil'nikov and Agre 1964) Cross and Goodfellow 1973. Publication: Cross T, Goodfellow M. Taxonomy and classification of the actinomycetes. In: Sykes G, Skinner FA (eds), Actinomycetales, Characteristics and Practical Importance, Academic Press, London, 1973, p. 11-112.

Parent taxon: Thermoflavimicrobium Yoon et al. 2005

Assigned by: Yoon JH, Kim IG, Shin YK, Park YH. Proposal of the genus Thermoactinomyces sensu stricto and three new genera, Laceyella, Thermoflavimicrobium and Seinonella, on the basis of phenotypic, phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2005; 55:395-400.

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Record number: 782597