bacteriovoracaceae bacteriovoracaceae bacteriovoracaceae is a family of gram-negative, comma-shaped bacteria. all members have a two-part life cycle consisting of a free-living motile "attack phase" and a "predatory phase" that lives in the periplasm of other gram-negative bacteria. bacteriovoracaceae are found in freshwater and in the soil. bacteriovoracaceae scientific classification domain: bacteria phylum: bdellovibrionota class: bacteriovoracia order: bacteriovoracales family: bacteriovoracaceaedavidov & jurkevitch 2004 genus bacteriovorax halobacteriovorax peredibacter synonyms halobacteriovoraceae corrig. koval, williams & stine 2015 peredibacteraceae pineiro, williams & stine 2008 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) 16s rrna based ltp_01_2022 120 marker proteins based gtdb 07-rs207 halobacteriovorax vibrionivorans ye et al. 2019 halobacteriovorax koval, williams & stine 2015 bacteriovorax baer et al. 2000 peredibacter davidov & jurkevitch 2004 bacteriovorax halobacteriovorax