gracilispinis, Dolopichthys Regan [C. T.] 1925:563 [Annals and Magazine of Natural History (Series 9) v. 15 (no. 91); ref. 3677] 6°40'N, 80°47'W [off Panama, eastern Pacific], depth about 1750 meters. Lectotype: ZMUC P9295. Paralectotypes: BMNH 1925.8.11.14 (1). Type catalog: Nielsen 1974:93 [ref. 9588]. Lectotype selected by Bertelsen 1951:94 [ref. 287]. •Valid as Leptacanthichthys gracilispinis (Regan 1925) -- (Bertelsen in Whitehead et al. 1986:1391 [ref. 13677], Scott & Scott 1988:245 [ref. 25518], McAllister 1990:231 [ref. 14674], Swinney 1995:54 [ref. 22647], Pietsch 1999:2032 [ref. 24766], Pietsch 2003:1064 [ref. 27014], Moore et al. 2003:215 [ref. 27076], Mundy 2005:271 [ref. 28379], Castellanos-Galindo et al. 2006:201 [ref. 28944], Pietsch 2009:441 [ref. 30766], Pietsch 2016:2068 [ref. 34597], Banón et al. 2019:[2] 607 [ref. 38699], Carneiro et al. 2019:217 [ref. 37250], Poulsen 2019:404 [ref. 37181], Kenchington et al. 2020:[8] [ref. 37729], Love et al. 2021:89 [ref. 39279], Bañón et al. 2023:6 [ref. 40093], Page et al. 2023:166 [ref. 40505]). Current status: Valid as Leptacanthichthys gracilispinis (Regan 1925). Oneirodidae. Distribution: Northwestern Atlantic; northeastern Atlantic; northern and central Pacific. Habitat: marine.