tschudii, Discopyge Heckel [J. J.] in Tschudi 1846:33, Pl. 6 [Untersuchungen über die Fauna Peruana; ref. 4469] Heradura, a small bay between Huacho and Chancay, Peru. Holotype (unique): whereabouts unknown. Type catalog: Paepke & Schmidt 1988:171 [ref. 21041], Kottelat 1987:52 [ref. 25858]. Authorship follows that suggested by Kottelat 1987:53 [ref. 25858]. •Valid as Discopyge tschudii Heckel 1846 -- (Pequeño et al. 1988 [ref. 12550], Pequeño 1989:17 [ref. 14125], Chirichigno F. & Vélez D. 1998:81 [ref. 24555], Compagno 1999:486 [ref. 25589], Menni & Stehmann 2000:73 [ref. 24909], Cousseau & Perrotta 2000:40 [ref. 25942], López et al. 2002:62 [ref. 26808], Gomes & Carvalho in Menezes et al. 2003:28 [ref. 27192], Menni et al. 2009:168 [ref. 30218], Mabragaña et al. 2011:table S2 [ref. 31800], Weigmann 2016:73 [ref. 34211], Carvalho & Last 2016:149 [ref. 34996], Nión et al. 2016:22 [ref. 35565], Calle-Morán et al. 2020:244 [ref. 37881], Carvalho-Filho 2023:314 [ref. 40480] as tschudi). Current status: Valid as Discopyge tschudii Heckel 1846. Narcinidae. Distribution: Southeastern Pacific: Ecuador south to Chile; southwestern Atlantic: Rio Grande do Sul (Brazil) south to Argentina. Habitat: marine.