Name: Halarchaeum rubridurum Yamauchi et al. 2013

Category: Species

Proposed as: sp. nov.

Etymology: ru.bri.du’rum. L. masc. adj. ruber, red; L. vowel -i-, connecting vowel; L. masc. adj. durus, hard, tough; N.L. neut. adj. rubridurum, red-hard

Pronunciation, gender: ru-bri-DU-rum, neuter

Type strain: CECT 7535; DSM 22443; JCM 16108; MH1-16-3

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB372513 Analyse FASTA

Valid publication: Yamauchi Y, Minegishi H, Echigo A, Shimane Y, Kamekura M, Itoh T, Ohkuma M, Doukyu N, Inoue A, Usami R. Halarchaeum rubridurum sp. nov., a moderately acidophilic haloarchaeon isolated from commercial sea salt samples. Int J Syst Evol Microbiol 2013; 63:3143-3147. 🇯🇵

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 9 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:4371-4373.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• 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 2 times in PubMed until 2025-06-04.

Parent taxon: Halarchaeum Minegishi et al. 2010

Assigned by: Yamauchi Y, Minegishi H, Echigo A, Shimane Y, Kamekura M, Itoh T, Ohkuma M, Doukyu N, Inoue A, Usami R. Halarchaeum rubridurum sp. nov., a moderately acidophilic haloarchaeon isolated from commercial sea salt samples. Int J Syst Evol Microbiol 2013; 63:3143-3147. 🇯🇵

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Record number: 791087