Name: Cryptosporangium aurantiacum (ex Ruan et al. 1976) Tamura and Hatano 2001

Category: Species

Proposed as: sp. nov., nom. rev.

Etymology: au.ran.ti’a.cum. N.L. neut. adj. aurantiacum, orange-coloured

Gender: neuter

Type strain: 71-C38; CGMCC 4.1052; DSM 46144; IFO 13967; IMET 9261; JCM 3241; KCC A-241; KCTC 9529; NBRC 13967; NCIMB 12649; NRRL B-16698

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ293746 Analyse FASTA

Valid publication: Tamura T, Hatano K. Phylogenetic analysis of the genus Actinoplanes and transfer of Actinoplanes minutisporangius Ruan et al. 1986 and 'Actinoplanes aurantiacus' to Cryptosporangium minutisporangium comb. nov. and Cryptosporangium aurantiacum sp. nov. Int J Syst Evol Microbiol 2001; 51:2119-2125.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 6 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:5-6.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Nouioui et al. 2018 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. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — 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 3 times in PubMed until 2024-03-27.
  • 🧍 Nom. rev. / basonym: "Actinoplanes aurantiacus". Publication: Ruan J, Zhang X, Jiang C. A taxonomic study of Actinoplanaceae: II. Four new species of Actinoplanes. Acta Microbiol. Sin. 1976; 16:291-300.
  • 🧍 According to Rules 27(3) and 30, this name is not validly published because the effective publication only documents deposit of the type strain in a single recognized culture collection. However, according to the Judicial Opinion 81, Cryptosporangium aurantiacum (ex Ruan et al. 1976) Tamura and Hatano 2001 is to be considered to be validly published. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.
  • 🧍 In the paper by Tamura and Hatano 2001, Cryptosporangium aurantiacum is cited as Cryptosporangium aurantiacum sp. nov. Publication: Judicial Commission. Judicial Opinion No. 81. Int J Syst Evol Microbiol 2008; 58:1755-1763.

Parent taxon: Cryptosporangium Tamura et al. 1998

Assigned by: Tamura T, Hatano K. Phylogenetic analysis of the genus Actinoplanes and transfer of Actinoplanes minutisporangius Ruan et al. 1986 and 'Actinoplanes aurantiacus' to Cryptosporangium minutisporangium comb. nov. and Cryptosporangium aurantiacum sp. nov. Int J Syst Evol Microbiol 2001; 51:2119-2125.

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Record number: 775304