The type genus of this family has alternatively been placed in the family Porphyromonadaceae Krieg 2012.Publication:
Krieg NR. Family IV. Porphyromonadaceae fam. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 61.
Number of child taxa with a validly published and correct name: 2 Number of child taxa with a validly published name, including synonyms: 2 Total number of child taxa: 2