planktotalea arctica planktotalea arctica planktotalea arctica is a gram-negative, rod-shaped and non-motile bacterium from the genus of planktotalea which has been isolated from coastal seawater from the arctic. planktotalea arctica scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: planktotalea species: p. arctica binomial name planktotalea arcticabaek et al. 2017 type strain kacc 18009, nbrc 110393, strain imcc9565