nasutus, Apristurus de Buen [F.] 1959:176 [Boletim do Museu Nacional de Chile v. 27 (no. 3); ref. 697] Near Valparíso, Chile, depth 400 meters. Holotype (unique): EBMC 10184 (lost?). González-Acosta et al. 2021:5 [ref. 38361] Holotype figured in de Buen 1960: Fig. 4 [ref. 11965]. •Valid as Apristurus nasutus de Buen 1959 -- (Compagno 1984:276 [ref. 6846], Pequeño 1989:13 [ref. 14125], Springer 1990:90 [ref. 19319], Compagno et al. in Fischer et al. 1995:928 [ref. 22829], Chirichigno F. & Vélez D. 1998:36 [ref. 24555], Nakaya & Sato 1999:316 [ref. 23941], Nakaya & Séret 1999:307 [ref. 24247], Sato et al. 1999:334 [ref. 24607], Compagno 1999:478 [ref. 25589], Nakaya et al. 2008:68 [ref. 29711], Acevedo-Cervantes et al. 2009:271 [ref. 40999], Del Moral-Flores et al. 2016:78 [ref. 34398], Weigmann 2016:32 [ref. 34211], Ehemann et al. 2018:22 [ref. 36194], Almeida & Biscoito 2019:67 [ref. 37302], Calle-Morán et al. 2020:241 [ref. 37881], Page et al. 2023:38 [ref. 40505], Fricke et al. 2024:65 [ref. 41622]). Current status: Valid as Apristurus nasutus de Buen 1959. Pentanchidae. Distribution: Eastern Pacific:Gulf of California (Mexico) south to Chile. Record from eastern Atlantic needs verification. IUCN (2020): Least Concern. Habitat: marine.