longipenis, Ophichthus McCosker [J. E.] & Rosenblatt [R. H.] 1998:405, Figs. 3b, 5 [Proceedings of the California Academy of Sciences v. 50 (no. 19); ref. 23645] La Vieja, Panamá (Pacific), 9°00'N, 79°29'W. Holotype: SIO 63-295. Paratypes: ANSP 152296 (1), 175793 (1); CAS 97894 [ex LACM 32559, originally UCR 686.010] (3); LACM 32554-11 (1), 32575-11 (7); MCZ 44173 (2); SIO 63-295 (5), 64-744 (1), 65-160 (1), 73-276 (3). •Valid as Ophichthus longipenis McCosker & Rosenblatt 1998 -- (Nelson et al. 2004:63 [ref. 27807], McCosker et al. 2012:11 [ref. 31982], Page et al. 2013:63 [ref. 32708], Page et al. 2023:54 [ref. 40505], Fricke et al. 2024:125 [ref. 41622]). Current status: Valid as Ophichthus longipenis McCosker & Rosenblatt 1998. Ophichthidae: Ophichthinae. Distribution: Eastern Pacific: Jaliscon (Mexico) south to Panama. IUCN (2010): Least Concern. Habitat: marine.