Replacement Name for Paracis (Cnidaria: Octocorallia: Paramuriceidae) with a Revision and Re-Description of the Japanese Species and Description of Two New Genera and Species from the Indo-Pacific

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 electron microscopy. All related treated here belong to four genera: Kükenthal, 1919, Imbricacis Matsumoto Ofwegen gen. nov., Pseudoparacis 1919. A replacement name for as Neoacis is introduced because there a senior homonym. total eight new described: bayeri sp. N. marianaensis ofwegeni I. hawaiiensis tanseii satsumaensis tokaraensis nov. 1931 synonymised with 1912). We have designated lectotype 1910), which now revised squamata. Keys genera Neoacis, Imbricacis, Pseudoparacis, presented.