autumnus, Synodus Furuhashi [R.] & Motomura [H.] 2025:193, Figs. 1-3, 5 [ZooKeys No. 1243; ref. 42231] Off Segaura, Kushi, Bonotsu, Minami-satsuma, southwest coast of Satsuma Peninsula, Kagoshima Prefecture, southern Kyushu, Japan, depth 5 meters. Holotype: KAUM-I 180000. Paratypes: AMS, ASIZP, BPBM, KAUM-I, KPM, NSMT, NTM, USNM. •Valid as Synodus autumnus Furuhashi & Motomura 2025. Current status: Valid as Synodus autumnus Furuhashi & Motomura 2025. Synodontidae: Synodontinae. Distribution: Indo-West and Central Pacific: Japan, Taiwan, the Philippines, Palau, the Marshall Islands, Indonesia, Timor-Leste, Papua New Guinea, Australia, Tonga, and the Hawaiian Islands. Habitat: marine.