Name: Thiofilum Boden and Scott 2018

Category: Genus

Proposed as: gen. nov.

Etymology: Thi.o.fi’lum. Gr. neut. n. theîon, sulfur, brimstone; L. neut. n. filum, filament, thread; N.L. neut. n. Thiofilum, sulfur filament

Gender, pronunciation (Latin): neuter (stem: Thiofil-), t^hi-o-FI-lum

Type species: Thiofilum flexile (Aruga et al. 2002) Boden and Scott 2018

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239. 🇬🇧

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 7 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3077-3079.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Notes:
  • 🥇 Nomenclatural type of the family Thiofilaceae Boden and Scott 2018. Publication: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239. 🇬🇧
  • 🧕 Boden and Scott (2018) assigned this genus to the family Thiofilaceae Boden and Scott 2018. Publication: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239. 🇬🇧
  • 🚋 The type species of this genus has alternatively been placed in the genus Thiothrix Winogradsky 1888 (Approved Lists 1980). Publication: Aruga S, Kamagata Y, Kohno T, Hanada S, Nakamura K, Kanagawa T. Characterization of filamentous Eikelboom type 021N bacteria and description of Thiothrix disciformis sp. nov. and Thiothrix flexilis sp. nov. Int J Syst Evol Microbiol 2002; 52:1309-1316. 🇯🇵
  • 🧬 The phylogenomic assignment score of this taxon is 0.04702 (N = 4).
  • 🎰 The BRCs most frequently used for deposits in this group are: JCM: 1; DSM: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Thiofilum defluvii" (Howarth et al. 1999) Boden and Scott 2018	not validly published	synonym
    Thiofilum flexile (Aruga et al. 2002) Boden and Scott 2018	validly published under the ICNP	correct name

Parent taxon: Leucotrichaceae Buchanan 1957 (Approved Lists 1980)

Assigned by: Freese HM, Meier-Kolthoff JP, Sarda Carbasse J, Afolayan AO, Goker M. TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity. Nucleic Acids Res 2026; 54:D884-D891. 🇩🇪

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Record number: 520388