martelella mediterranea martelella mediterranea martelella mediterranea is a gram-negative, oxidase- and catalase-positive, strictly aerobic, non-spore-forming, non-motile bacteria from the genus of martelella which was isolated from water sample from the lake martel on mallorca in spain. martelella mediterranea scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: rhizobiaceae genus: martelella species: m. mediterranea binomial name martelella mediterranearivas et al. 2005 type strain cect 5861, cip 108716, dsm 17316, lmg 22193, macl11, rivas macl11 synonyms martelia mediterranea