helolepis, Trachyrhynchus Gilbert [C. H.] 1892:562 [Proceedings of the United States National Museum v. 14 (no. 880); ref. 1626] Deep water off the coast of Central America, 0°29'S, 89°54'30"W, Albatross station 2818. Holotype (unique): USNM 48205. •Valid as Trachyrhynchus helolepis Gilbert 1892 -- (Pequeño 1989:46 [ref. 14125]). •Valid as Trachyrincus helolepis Gilbert 1892 -- (Iwamoto in Cohen et al. 1990:315 [ref. 18936], Iwamoto & Schneider in Fischer et al. 1995:1255 [ref. 22829], Chirichigno F. & Vélez D. 1998:236 [ref. 24555], Iwamoto & McCosker 2001:27 [ref. 25777], Castellanos-Galindo et al. 2006:196 [ref. 28944], Iwamoto in Nakaya et at. 2009:173 [ref. 42561], McCosker & Rosenblatt 2010:189 [ref. 30957], Grove et al. 2022:17 [ref. 41326], Victor et al. 2024:76 [ref. 42021]). Current status: Valid as Trachyrincus helolepis Gilbert 1892. Trachyrincidae. Distribution: Southeastern Pacific: Peru and Chile, including Galapagos Islands (Ecuador). IUCN (2025): Not Assessed. Habitat: marine.