tateyamaria omphalii tateyamaria omphalii tateyamaria omphalii is a gram-negative and strictly aerobic bacterium from the genus of tateyamaria which has been isolated from the shell of the sea snail omphalius pfeifferi pfeifferi from japan. tateyamaria omphalii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: tateyamaria species: t. omphalii binomial name tateyamaria omphaliikurahashi and yokota 2008 type strain iam 15108, jcm 21569, kctc 12333