Proposed as: LPSN placeholder (potentially permanent)
Nomenclatural status: artificial parent node of Candidatus species that lack a genus description
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
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| "Candidatus Williamhamiltonia defensens" corrig. Moran et al. 2005 | not validly published |
Parent taxon: Enterobacteriaceae Rahn 1937 (Approved Lists 1980)