Name: Alysiella crassa (Schmid 1922) Xie and Yokota 2005

Category: Species

Proposed as: comb. nov.

Basonym: Simonsiella crassa Schmid 1922 (Approved Lists 1980)

Etymology: cras.sa. L. fem. adj. crassa, thick

Gender: feminine

Type strain: ATCC 15533; CCUG 25927; CIP 103341; DSM 2578; IAM 14969; LMG 7829; NBRC 102455; NCTC 10283

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB087264 Analyse FASTA

Effective publication: Xie CH, Yokota A. Phylogenetic analysis of Alysiella and related genera of Neisseriaceae: proposal of Alysiella crassa comb. nov., Conchiformibium steedae gen. nov., comb. nov., Conchiformibium kuhniae sp. nov. and Bergeriella denitrificans gen. nov., comb. nov. J Gen Appl Microbiol 2005; 51:1-10.

IJSEM list: Euzeby JP. Validation list no. 104. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2005; 55:1395-1397.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Simonsiella crassa Schmid 1922 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is -0.00038 (N = 13).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 3 times in PubMed until 2024-03-27.

Parent taxon: Alysiella Langeron 1923 (Approved Lists 1980)

Assigned by: Xie CH, Yokota A. Phylogenetic analysis of Alysiella and related genera of Neisseriaceae: proposal of Alysiella crassa comb. nov., Conchiformibium steedae gen. nov., comb. nov., Conchiformibium kuhniae sp. nov. and Bergeriella denitrificans gen. nov., comb. nov. J Gen Appl Microbiol 2005; 51:1-10.

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Record number: 773140