Name: Calidithermus timidus (Pires et al. 2005) Raposo et al. 2019

Category: Species

Proposed as: comb. nov.

Basonym: Meiothermus timidus Pires et al. 2005

Etymology: ti’mi.dus. L. masc. adj. timidus, timid

Pronunciation (Latin), gender: … TI-mi-dus, masculine

Type strain: CIP 108604; DSM 17022; LMG 22897; NBRC 103207; SPS-243

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ871168 Analyse FASTA

Valid publication: Raposo P, Viver T, Albuquerque L, Froufe H, Barroso C, Egas C, Rossello-Mora R, da Costa MS. Transfer of Meiothermus chliarophilus (Tenreiro et al.1995) Nobre et al. 1996, Meiothermus roseus Ming et al. 2016, Meiothermus terrae Yu et al. 2014 and Meiothermus timidus Pires et al. 2005, to Calidithermus gen. nov., as Calidithermus chliarophilus comb. nov., Calidithermus roseus comb. nov., Calidithermus terrae comb. nov. and Calidithermus timidus comb. nov., respectively, and emended description of the genus Meiothermus. Int J Syst Evol Microbiol 2019; 69:1060-1069. 🇵🇹

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 4 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:1847-1849.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Meiothermus timidus Pires et al. 2005	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 3 times in PubMed until 2025-06-04.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683. 🇺🇸

Parent taxon: Calidithermus Raposo et al. 2019

Assigned by: Raposo P, Viver T, Albuquerque L, Froufe H, Barroso C, Egas C, Rossello-Mora R, da Costa MS. Transfer of Meiothermus chliarophilus (Tenreiro et al.1995) Nobre et al. 1996, Meiothermus roseus Ming et al. 2016, Meiothermus terrae Yu et al. 2014 and Meiothermus timidus Pires et al. 2005, to Calidithermus gen. nov., as Calidithermus chliarophilus comb. nov., Calidithermus roseus comb. nov., Calidithermus terrae comb. nov. and Calidithermus timidus comb. nov., respectively, and emended description of the genus Meiothermus. Int J Syst Evol Microbiol 2019; 69:1060-1069. 🇵🇹

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Record number: 801328