longispina, Polymixia Deng [S.-M.], Xiong [G.-Q.] & Zhan [H.-X.] 1983:317 (English p. 321), Figs. 1, 2B [Acta Zootaxonomica Sinica v. 8 (no. 3); ref. 8355] China Sea, depth 270-278 meters. Holotype: ECSFI E-0049. Paratypes: ECSFI E-0373 (1), E-0035-40 (1, 1, 1, 1, 1, 1), 0042-43 (1, 1), 0050 (1), 0371-72 (1, 1). •Valid as Polymixia longispina Deng, Xiong & Zhan 1983 -- (Kotlyar 1992:24 [ref. 20773], Kotlyar 1996:78 [ref. 23292], Shinohara et al. 1996:168 [ref. 26605], Nakabo 2000:407 [ref. 25086], Shinohara et al. 2001:303 [ref. 25995], Nakabo 2002:407 [ref. 26001], Shinohara et al. 2005:413 [ref. 28370], Shao et al. 2008:242 [ref. 29952], Borden et al. 2019:4 [ref. 36559], Caixeta et al. 2024:11 [ref. 40847]). Current status: Valid as Polymixia longispina Deng, Xiong & Zhan 1983. Polymixiidae. Distribution: Eastern Indian Ocean: off Kimberley (Western Australia); northwestern Pacific: Taiwan and East China Sea to southern Japan Habitat: marine.