tropicibacter naphthalenivorans tropicibacter naphthalenivorans tropicibacter naphthalenivorans is a gram-negative, aerobic and motile bacterium from the genus of tropicibacter which has been isolated from seawater from the semarang port in indonesia. tropicibacter naphthalenivorans scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: tropicibacter species: t. naphthalenivorans binomial name tropicibacter naphthalenivoransharwati et al. 2009 type strain cect 7648, dsm 19561, jcm 14838, strain c02