Wikipedia
Bifidobacteriaceae
The Bifidobacteriaceae are the only family of bacteria, in the order of Bifidobacteriales. According to the 16S rRNA-based LTP release 106 published by the All-Species Living Tree Project, the order Bifidobacteriales is a clade nested within the suborder Micrococcineae, also the genus Bifidobacterium is paraphyletic to the other genera within the family, i.e. the other genera are nested within Bifidobacterium.