idiomarina atlantica idiomarina atlantica idiomarina atlantica is a gram-negative, aerobic, slightly curved rod-shaped and non-motile bacterium from the genus of idiomarina which has been isolated from sediments from atlantic ocean. idiomarina atlantica scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: alteromonadales family: idiomarinaceae genus: idiomarina species: i. atlanticadu et al. 2015 binomial name idiomarina atlantica type strain kctc 42141, mccc 1a10513, g5_tvmv8_7