Boone et al. (2001) assigned this genus to the order Bifidobacteriales Stackebrandt et al. 1997.Publication:
Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
Number of child taxa with a validly published and correct name: 0 Number of child taxa with a validly published name, including synonyms: 4 Total number of child taxa: 4