nigra, Aculeola de Buen [F.] 1959:180 [Boletim do Museu Nacional de Chile v. 27 (no. 3); ref. 697] 12 miles off Concón, Chile, 32°55'S, 71°32'W, depth 60 fathoms. Holotype (unique): MNHNC P.5907 [ex EMBC 10191]. Type catalog: Meléndez C. et al. 1993:17 [ref. 24124]. Holotype figured in de Buen 1960: Fig. 6 [ref. 11965]. •Valid as Aculeola nigra de Buen 1959 -- (Compagno 1984:34 [ref. 6474], Burgess & Springer 1986:189 [ref. 6149], Pequeño 1989:12 [ref. 14125], Chirichigno F. & Vélez D. 1998:58 [ref. 24555], Compagno 1999:473 [ref. 25589], Weigmann 2016:57 [ref. 34211], Calle-Morán et al. 2020:243 [ref. 37881]). Current status: Valid as Aculeola nigra de Buen 1959. Etmopteridae. Distribution: Southeastern Pacific: Ecuador south to Chile. Habitat: marine.