Pseudarchasteridae (Asteroidea: Paxillosida) in Japanese waters, with description of a new species and range extension of three species Author Kobayashi, Itaru Misaki Marine Biological Station, Graduate School of Science, The University of Tokyo, Kanagawa, Japan; Author Sonoyama, Takayuki Enoshima Aquarium, Kanagawa, Japan; Author Hibino, Mai Marine Science Museum, Fukushima Prefecture, Aquamarine Fukushima, Fukushima, Japan; Author Kawano, Mitsuhisa Japan Sea Division, Yamaguchi Prefectural Fisheries Research Centre, Yamaguchi, Japan Author Kohtsuka, Hisanori Misaki Marine Biological Station, Graduate School of Science, The University of Tokyo, Kanagawa, Japan; text Journal of Natural History 2024 2024-08-02 58 25 - 28 949 964 http://dx.doi.org/10.1080/00222933.2024.2377336 journal article 10.1080/00222933.2024.2377336 1464-5262 13758076 Genus Paragonaster Sladen 1889 [New Japanese name: Miyabi-momiji-hitode-zoku] Paragonaster Sladen 1889 , p. 310 ; Perrier 1894: 355 ; Fisher 1911: 163 ; Halpern 1972: 373 ; Downey 1973: 56 Type species. Paragonaster ctenipes Sladen 1889 . Diagnosis. Disc broad, flat, interradial margin evenly curved, only one abactinal series – carinal abactinal series – extends to arm tip. Marginals block-like, broad, no unpaired interradial marginals. Etymology of Japanese name. The Japanese name ‘miyabi’ means elegance. The characteristics of Paragonaster species , with their maple leaf-shaped bodies and steppingstone-like carinal series extending to the arm tip, evoke the elegance of traditional Japanese gardens. Furthermore, ‘momiji-hitode’ follows the Japanese name of the family Pseudarchasteridae .