primorskyibacter sedentarius primorskyibacter sedentarius primorskyibacter sedentarius is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of primorskyibacter which has been isolated from shallow sediments from the sea of japan. primorskyibacter sedentarius scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: primorskyibacter species: p. sedentarius binomial name primorskyibacter sedentariusromanenko et al. 2011 type strain jcm 16874, kmm 9018, nric 0784 synonyms primoryibacter sedentarius