A new species of the Spirobranchus kraussii complex, S. akitsushima (Annelida, Polychaeta, Serpulidae), from the rocky intertidal zone of Japan Author Nishi, Eijiroh College of Education, Yokohama National University, Hodogaya, Yokohama 240 - 8501, Japan nishi-eijiroh-nr@ynu.ac.jp Author Abe, Hirokazu https://orcid.org/0000-0002-7753-9368 Department of Biology, Center for Liberal Arts & Sciences, Iwate Medical University, Idaidori 1 - 1 - 1, Yahaba, Shiwa-gun, Iwate 028 - 3694, Japan & Current address: Department of Biological Sciences, Faculty of Science and Engineering, Ishinomaki Senshu University, Shinmito 1, Minamisakai, Ishinomaki, Miyagi 986 - 8580, Japan Author Tanaka, Katsuhiko Department of Marine Biology, School of Marine Science and Technology, Tokai University, 3 - 20 - 1, Orido, Shimizu, Shizuoka-shi, Shizuoka 424 - 8610, Japan Author Jimi, Naoto https://orcid.org/0000-0001-8586-3320 Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, 429 - 63 Sugashima, Toba, Mie 517 - 0004, Japan & Centre for Marine and Coastal Studies, Universiti Sains Malaysia 11800 USM, Penang, Malaysia Author Kupriyanova, Elena K. Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney 2010 NSW, Australia & Department of Biological Sciences, Macquarie University, North Ryde NSW 2109, Australia text ZooKeys 2022 2022-05-12 1100 1 28 http://dx.doi.org/10.3897/zookeys.1100.79569 journal article http://dx.doi.org/10.3897/zookeys.1100.79569 1313-2970-1100-1 CDB805C2C0D742DCBD1EAE210EF27B6B 268C87C205EC5194B8E12E2BF497A1A8 Spirobranchus de Blainville, 1818 Type species. Serpula gigantea Pallas, 1766.