thalassospiraceae thalassospiraceae the thalassospiraceae are a family of bacteria from the order rhodospirillales. thalassospiraceae scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodospirillales family: thalassospiraceaehördt et al. 2020 genera magnetospira williams et al. 2012 magnetovibrio bazylinski et al. 2013 thalassospira lópez-lópez et al. 2002 varunaivibrio patwardhan and vetriani 2016