Name: "Candidatus Lawsonia" corrig. Gebhart et al. 1993

Category: Genus

Proposed as: Candidatus

Etymology: Law.so’ni.a. N.L. fem. n. Lawsonia, named after Gordon H.K. Lawson, the Scottish veterinarian who first recognized the organism causing porcine proliferative enteropathy

Gender, pronunciation (Latin): feminine (stem: Lawsoni-), law-SO-ni-a

Type species: "Candidatus Lawsonia intracellularis" corrig. Gebhart et al. 1993

Pro-valid publication: Gebhart CJ, Barns SM, McOrist S, Lin GF, Lawson GH. Ileal symbiont intracellularis, an obligate intracellular bacterium of porcine intestines showing a relationship to Desulfovibrio species. Int J Syst Bacteriol 1993; 43:533-538. 🇺🇸

IJSEM list: Oren A, Garrity GM, Parker CT, Chuvochina M, Trujillo ME. Candidatus list no. 1. Lists of names of prokaryotic Candidatus taxa. Int J Syst Evol Microbiol 2020; 70:3956-4042.

Nomenclatural status: not validly published

Nomenclatural pro-status: pro-validly published under the ICNP

Taxonomic status: synonym

Correct name: Lawsonia McOrist et al. 1995

Risk group: 1

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 1

Parent taxon: Desulfovibrionaceae Kuever et al. 2006

Assigned by: LPSN automated production system. The following publication is only one of the sources consulted. It may or may not mention this taxon name. — Kuever J, Rainey FA, Widdel F. Family I. Desulfovibrionaceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 926. 🇺🇸

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Record number: 36329
This LPSN page was printed on 2026-03-10 10:25:52