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An aerobic, Gram-stain-negative, non-motile bacterium, KMM 9530T, was isolated from a sediment sample collected from the Sea of Japan seashore. Comparative 16S rRNA gene sequence analysis positioned novel strain KMM 9530T in the genus Loktanella as a separate line adjacent to Loktanella sediminilitoris KCTC 32383T, Loktanella tamlensis JCM 14020T and Loktanella maricola JCM 14564T with 98.5–98.2 % sequence similarity. Strain KMM 9530T was characterized by its weak hydrolytic capacity and inability to assimilate most organic substrates. The major isoprenoid quinone was Q-10, polar lipids consisted of phosphatidylcholine, phosphatidylglycerol, diphosphatidylglycerol, an unknown phospholipid, an unknown aminolipid and unknown lipids, and the major fatty acid was C18 : 1ω7c. On the basis of phylogenetic analysis, DNA–DNA hybridization and phenotypic characterization, it can be concluded that the novel strain KMM 9530T represents a novel species in the genus Loktanella , for which the name Loktanella maritima sp. nov. is proposed. The type strain of the species is KMM 9530T ( = NRIC 0919T = JCM 19807T).
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