Kajikia Marshall [N. B.] & Palmer [G.] in Marshall et al. 1950:61 Fem. Kajikia formosana Hirasaka & Nakamura 1947. Type by original designation (also monotypic). Based on Kajikia of Hirasaka & Nakamura 1947:12 [ref. 2174], which was not available, described after 1930 without designation of a type species. See remarks on Art. 13.3 in Appendix A in Eschmeyer 1990 [ref. 20647]. •In the synonymy of Tetrapturus Rafinesque 1810 -- (de Sylva 1973:480 [ref. 7210], Nakamura 1983:294 [ref. 5371], Nakamura 1985:35 [ref. 20161]). •Valid as Kajikia Hirasaka & Nakamura 1947 -- (Collette et al. 2006:464 [ref. 28911], Parin et al. 2014:518 [ref. 33547], Roberts 2015:1643 [ref. 34193], Fricke et al. 2018:365 [ref. 35805], Brown et al. 2019:169 [ref. 36444]). •Valid as Kajikia Marshall & Palmer 1950. Current status: Valid as Kajikia Marshall & Palmer 1950. Istiophoridae.