Isobuna Jordan [D. S.] in Jordan & Herre 1907:158 Fem. Paracirrhites japonicus Steindachner 1883. Type by being a replacement name. Replacement for Paracirrhites Steindachner 1883, preoccupied by Paracirrhites Bleeker 1874 in fishes (same family). •Valid as Isobuna Jordan 1907 -- (Randall 1963:393 [ref. 3599]). •Synonym of Plectranthias Bleeker 1873 -- (Randall & Heemstra 1978 [ref. 6993], Randall 1980:105, 140 [ref. 6717], Anderson & Heemstra 2012:35 [ref. 31956], Parenti & Randall 2020:23 [ref. 37354], Gill et al. 2021:29 [ref. 38105]). •Synonym of Sayonara Jordan & Seale 1906 -- (Tang & Chen 2025:15 [ref. 42528]). Current status: Synonym of Sayonara Jordan & Seale 1906. Anthiadidae.