In this paper, the type material of all five Japanese Paracis species (P. ijimai (Kinoshita, 1909), P. miyajimai pustulata (Wright and Studer, 1889), spinifera (Nutting, 1912), squamata 1910)), two Placogorgia japonica 1912) placoderma Pseudothesea foliata Aurivillius, 1931, genus Paracis, orientalis (Ridley, 1882) are re-examined re-described. The sclerites different depicted using scanning el...