alphus, Etmopterus Ebert [D. A.], Straube [N.], Leslie [R. W.] & Weigmann [S.] 2016:2, Figs. 1-6 [African Journal of Marine Science v. 38 (no 3); ref. 34753] Mozambique, 18°14'S, 37°31'E, depth 472 meters. Holotype: iSAM MB-F37564. Paratypes: BMNH, CAS, CSIRO, iSAM MB, SAIAB, USNM, ZMH, ZSM. •Valid as Etmopterus alphus Ebert, Straube, Leslie & Weigmann 2016 -- (Ebert et al. 2017:380 [ref. 35167], White et al. 2017:352 [ref. 35206], Fricke et al. 2018:19 [ref. 35805], Ebert & Van Hees 2018:207 [ref. 36261], Ebert et al. 2021:28 [ref. 38234], Ebert et al. 2021:14 [ref. 38362], Ng et al. 2024:40 [ref. 40790]). Current status: Valid as Etmopterus alphus Ebert, Straube, Leslie & Weigmann 2016. Etmopteridae. Distribution: Southwestern Indian Ocean: South Africa to Madagascar Ridge and Madagascar. Habitat: marine.