Name: Geofilum rubicundum Miyazaki et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: ru.bi.cun’dum. L. neut. adj. rubicundum, red, ruddy

Pronunciation (Latin), gender: … ru-bi-KUN-dum, neuter

Type strain: JAM-BA0501; JCM 15548; NCIMB 14482

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB362265 Analyse FASTA

Valid publication: Miyazaki M, Koide O, Kobayashi T, Mori K, Shimamura S, Nunoura T, Imachi H, Inagaki F, Nagahama T, Nogi Y, et al. Geofilum rubicundum gen. nov., sp. nov., isolated from deep subseafloor sediment. Int J Syst Evol Microbiol 2012; 62:1075-1080. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 5 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1723-1724.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Geofilum Miyazaki et al. 2012. Publication: Miyazaki M, Koide O, Kobayashi T, Mori K, Shimamura S, Nunoura T, Imachi H, Inagaki F, Nagahama T, Nogi Y, et al. Geofilum rubicundum gen. nov., sp. nov., isolated from deep subseafloor sediment. Int J Syst Evol Microbiol 2012; 62:1075-1080. 🇯🇵
  • 😷 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 4 times in PubMed until 2025-06-04.

Parent taxon: Geofilum Miyazaki et al. 2012

Assigned by: Miyazaki M, Koide O, Kobayashi T, Mori K, Shimamura S, Nunoura T, Imachi H, Inagaki F, Nagahama T, Nogi Y, et al. Geofilum rubicundum gen. nov., sp. nov., isolated from deep subseafloor sediment. Int J Syst Evol Microbiol 2012; 62:1075-1080. 🇯🇵

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Record number: 789860