Brenner et al. (2005) assigned this genus to the family Bradyrhizobiaceae Garrity et al. 2006.Publication:
Garrity GM, Bell JA, Lilburn T. Family VII. Bradyrhizobiaceae 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. 438.
This taxon was discussed in a meeting of a Taxonomic Subcommittee of the ICSP.Publication:
de Lajudie P, Martinez-Romero E. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Agrobacterium and Rhizobium Minutes of the meeting, 7 September 2014, Tenerife, Spain. Int J Syst Evol Microbiol 2017; 67:516-520.
Number of child taxa with a validly published and correct name: 0 Number of child taxa with a validly published name, including synonyms: 1 Total number of child taxa: 1