Name: Actinoalloteichus caeruleus (Baldacci 1944) Teo et al. 2021

Category: Species

Proposed as: comb. nov.

Basonym: "Actinomyces caeruleus" Baldacci 1944

Etymology: cae.ru’le.us. L. masc. adj. caeruleus, like the sky, dark blue, azure

Gender: masculine

Type strain: ATCC 27421; BCRC 13659; CBS 645.72; CCRC 13659; DSM 40103; IFO 13344; IMET 40622; IPV 930; ISP 5103; JCM 4014; JCM 4730; NBRC 13344; NRRL B-1623; NRRL B-2194; NRRL ISP-5103; RIA 1305; RIA 755; VKM Ac-1918

Conduct genome-based taxonomy at

16S rRNA gene: AB184345 Analyse FASTA

Valid publication: Teo WFA, Tan GYA, Li WJ. Taxonomic note on the family Pseudonocardiaceae based on phylogenomic analysis and descriptions of Allosaccharopolyspora gen. nov. and Halosaccharopolyspora gen. nov. Int J Syst Evol Microbiol 2021; 71:5075.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 10 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5165.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Actinomyces caeruleus" Baldacci 1944	homotypic synonym, not validly published, basonym of name in Approved Lists
    Streptomyces caeruleus (Baldacci 1944) Pridham et al. 1958 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Actinoalloteichus cyanogriseus Tamura et al. 2000	heterotypic synonym, validly published under the ICNP

• Notes:
  • According to Tamura et al. (2008), this species is a later heterotypic synonym of Actinoalloteichus cyanogriseus Tamura et al. 2000 but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Tamura T, Ishida Y, Otoguro M, Hatano K, Labeda D, Price NP, Suzuki K. Reclassification of Streptomyces caeruleus as a synonym of Actinoalloteichus cyanogriseus and reclassification of Streptomyces spheroides and Streptomyces laceyi as later synonyms of Streptomyces niveus. Int J Syst Evol Microbiol 2008; 58:2812-2814.
  • According to Teo et al. (2021), this species is an earlier heterotypic synonym of Actinoalloteichus cyanogriseus Tamura et al. 2000. Publication: Teo WFA, Tan GYA, Li WJ. Taxonomic note on the family Pseudonocardiaceae based on phylogenomic analysis and descriptions of Allosaccharopolyspora gen. nov. and Halosaccharopolyspora gen. nov. Int J Syst Evol Microbiol 2021; 71:5075.
  • Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 10 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5165.

Parent taxon: Actinoalloteichus Tamura et al. 2000

Assigned by: Teo WFA, Tan GYA, Li WJ. Taxonomic note on the family Pseudonocardiaceae based on phylogenomic analysis and descriptions of Allosaccharopolyspora gen. nov. and Halosaccharopolyspora gen. nov. Int J Syst Evol Microbiol 2021; 71:5075.

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Record number: 17238