TY - JOUR AB - Polychaetes of 31 species of Polynoidae and two species of Acoetidae from Sagami Bay and Sagami Sea are recorded from the collection made by the Emperor Showa, deposited at the Showa Memorial Insritute. Three new genera of Polynoidae, Showascatisetosus, Medioantenna and Showapolynoe are described. Seven species of Polynoidae, Showascalisetosus shimizui, Medioantenna clavata, Harmothoe cylindrica, Harmothoe glomerosa, Eunoe spinosa, Hololepida japonica and Lepidonotus glaber are new to science. Four species of Polynoidae, Harmothoe spinifera, Harmothoe praeclara, Heteralentia ptycholepis and Lepidonotus albopustulatus, and Euarche tubifex of Acoetidae are recorded from Japanese waters for the first time. All species are described. A1 - Imajima, Minoru JO - National Science Museum Monographs N1 - World Polychaeta Database (WPolyDb) SP - 1 EP - 131 C1 - 13: 1-131 TI - Polychaetous annelids from Sagami Bay and Sagami Sea collected by the Emperor Showa of Japan and deposited at the Showa Memorial Institute, National Science Museum, Tokyo. Families Polynoidae and Acoetidae UR - https://ci.nii.ac.jp/naid/110004312467#cit VL - 13 PY - 1997 Y2 - 2024-03-28 ER -