marivita lacus marivita lacus marivita lacus is a gram-negative, aerobic, strictly heterotrophic, non-endospore-forming and heterotrophic bacterium from the genus of marivita which has been isolated from the tuosu lake from the qaidam basin in china. marivita lacus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: marivita species: m. lacus binomial name marivita lacuszhong et al. 2015yoon et al. 2012 type strain cgmcc 1.12478, jcm 19516, strain ts-t44