Pterapogon Koumans [F. P.] 1933:78 Masc. Pterapogon kauderni Koumans 1933. Type by monotypy. •Valid as Pterapogon Koumans 1933 -- (Fraser 1972:26 [ref. 5195], Paxton et al. 1989:556 [ref. 12442], Fraser & Struhsaker 1991:721 [ref. 19768], Allen 1999:2604 [ref. 24812], Allen et al. 2006:1107 [ref. 29004], Mabuchi et al. 2014:202 [ref. 33426], Mabuchi et al. 2015:46 [ref. 34429] tribe Sphaeramiini, Kuiter & Kozawa 2019:178 [ref. 36965]). Current status: Valid as Pterapogon Koumans 1933. Apogonidae: Apogoninae.