Beutenbergiaceae is an Actinomycete family.
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 106 by The All-Species Living Tree Project 
Beutenbergia cavernae Groth et al. 1999
Salana multivorans Von Wintzingerode et al. 2001
Miniimonas arenae Ue et al. 2011
Serinibacter salmoneus Hamada et al. 2009