magnetococcaceae magnetococcaceae the magnetococcaceae are a family of alphaproteobacteria. magnetococcaceae scientific classification domain: bacteria phylum: pseudomonadota class: "magnetococcia" order: magnetococcales family: magnetococcaceaebazylinski et al. 2013 genera magnetococcus bazylinski et al. 2013 magnetofaba morillo et al. 2014