sio, Psychrolutes Nelson [J. S.] 1980:444, Figs. 1 A-C [Canadian Journal of Zoology v. 58 (no. 3); ref. 8682] Off Arica, Chile, midpoint 18°36.4'S, 70°32.9'W, depth 768-967 meters. Holotype: SIO 72-184. Paratypes: SIO 72-183 (1). •Valid as Psychrolutes sio Nelson 1980 -- (Pequeño 1989:57 [ref. 14125], Fricke 1990:407 [ref. 15492], Nelson 1995:69 [ref. 22668], Robertson et al. 2017:82 [ref. 35676] as cf. sio). Current status: Valid as Psychrolutes sio Nelson 1980. Psychrolutidae. Distribution: Eastern Pacific: El Salvador to Chile. Habitat: marine.