Dialister

Dialister is a genus of Firmicutes bacteria classified within the class Negativicutes. 
Phylogeny.
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI)
and the phylogeny is based on 16S rRNA-based LTP release 111 by The All-Species Living Tree Project 