cellvibrionales cellvibrionales the cellvibrionales are an order of gammaproteobacteria. cellvibrionaceae scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: cellvibrionalesspring et al. 2015 families cellvibrionaceae spring et al. 2015 halieaceae spring et al. 2015 microbulbiferaceae spring et al. 2015 porticoccaceae spring et al. 2015 spongiibacteraceae spring et al. 2015