Description of unrecorded bacterial species belonging to the phylum Actinobacteria in Korea Kim, Mi-Sun Kim, Seung-Bum Cha, Chang-Jun Im, Wan-Taek Kim, Won-Yong Kim, Myung-Kyum Jeon, Che-Ok Yi, Hana Yoon, Jung-Hoon Seong, Hyung-Rak Kim and Chi-Nam Journal of Species Research 2021 10 1 23 45 4TG9Z KYW 1971 KYW 1971 [311,601,1843,1867] Actinobacteridae Micrococcaceae Rothia Bacteria Actinomycetales 13 36 Actinobacteria species amarae   Cellsare aerobic, Gram-staining-positive, non-flagellated and coccoid. Coloniesare circular, convex, smooth, opaque and white colored after incubation for 2 days on marine agar at 25℃. Inthe API 20NE system, positive reaction for urease activity, hydrolysis of esculin and gelatin and utilization of D-glucose, D-mannose, D-mannitol and D­maltose. Inthe API 20NE system, negative reaction for nitrate reduction, indole production, glucose fermentation, arginine dihydrolase, β-galactosidase activity, oxidase activity and utilization of L-arabinose, N­acetyl­glucosamine, potassium gluconate, capric acid, adipic acid, malic acid, trisodium citrate and phenylacetic acid. StrainKYW1971 ( =NIBRBAC000503307) was isolated from seawater in Gwangyang, Jeollanam Province, Korea( 34° 54′24.83″N 127°44′01.47″E).