diabolicus, Symphurus Mahadeva [M. N.] & Munroe [T. A.] 1990:949, Figs. 2, 4a [Proceedings of the Biological Society of Washington v. 103 (no. 4); ref. 19177] West of San Cristóbal Island [Chatham Island], Galápagos Islands, 0°46'S, 89°42'W, depth 271 fathoms. Holotype (unique): USNM 135653. •Valid as Symphurus diabolicus Mahadeva & Munroe 1990 -- (Munroe et al. in Fischer et al. 1995:1047 [ref. 22829], Grove & Lavenberg 1997:619 [ref. 24023], Evseenko & Shtaut 2000:801 [ref. 25089], Munroe & McCosker 2001:188 [ref. 25948], McCosker & Rosenblatt 2010:195 [ref. 30957], Sánchez-Jiménez et al. 2018:S8 [ref. 36248], Grove et al. 2022:19 [ref. 41326], Victor et al. 2024:78 [ref. 42021]). Current status: Valid as Symphurus diabolicus Mahadeva & Munroe 1990. Cynoglossidae: Symphurinae. Distribution: Eastern Pacific: Cocos Island (Costa Rica), Galapagos Islands (Ecuador). IUCN (2023): Least Concern. Habitat: marine.