A newly recorded glycerid polychaete collected from mud of the tidal flat in the southwestern coast of Korea is identified as Glycera fallax Quatrefages, 1850 based on the morphologies of papaillae and ailerons on proboscis, parapodial postsetal lobes, and branchiae. In this paper, we provide a detailed description and illustration of Korean materials of this species and a key to the species of the genus Glycera from Korean waters.

• Hyun Ki Choi(Department of Biotechnology, Chosun University)
• Tae Won Jung(Marine Biodiversity Institute of Korea)
• Seong Myeong Yoon(Department of Biology, Chosun University) Corresponding author