planktomarina planktomarina planktomarina is a heterotrophic genus of bacteria from the family of rhodobacteraceae with one known species (planktomarina temperata). planktomarina temperata has been isolated from seawater from the wadden sea in germany. planktomarina scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: planktomarinagiebel et al. 2013 type species planktomarina temperata species p. temperata