Name: Alysiella filiformis (Schmid 1922) Langeron 1923 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Simonsiella filiformis" Schmid 1922

Etymology: fi.li.for’mis. L. neut. n. filum, thread; L. adj. suff. -formis -is -e, -like, in the shape of; N.L. fem. adj. filiformis, thread shaped, filiform

Gender: feminine

Type strain: ATCC 15532; CCUG 3710; CIP 103342; DSM 16848; JCM 21385; NBRC 102454; NCTC 10282

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF487710 Analyse FASTA

Effective publication: Langeron M. Les oscillariées parasites du tube digestif de l'homme et des animaux. Annales de Parasitologie Humaine et Comparée 1923; 1:113-123.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Simonsiella filiformis" Schmid 1922	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 🥇 Nomenclatural type of the genus Alysiella Langeron 1923 (Approved Lists 1980). Publication: Langeron M. Les oscillariées parasites du tube digestif de l'homme et des animaux. Annales de Parasitologie Humaine et Comparée 1923; 1:113-123.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 7 times in PubMed until 2024-03-28.

Parent taxon: Alysiella Langeron 1923 (Approved Lists 1980)

Assigned by: Langeron M. Les oscillariées parasites du tube digestif de l'homme et des animaux. Annales de Parasitologie Humaine et Comparée 1923; 1:113-123.

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Record number: 773141