immaculatus, Ammodytes Corbin [P. G.] 1950:525 [Nature (London) v. 166 (no. 4221); ref. 12886] Plymouth area, England. Syntypes: whereabouts unknown. Based on one adult, a post-larvae, and one literature source. •Valid as Hyperoplus immaculatus (Corbin 1950) -- (Wheeler 1973:447 [ref. 7190], Reay in Whitehead et al. 1986:949 [ref. 13676], Ida et al. 1994:259 [ref. 22075], Bañon et al. 2010:19 [ref. 31029], Carneiro et al. 2019:291 [ref. 37250], Bañón & Maño 2021:79 [ref. 38887]). Current status: Valid as Hyperoplus immaculatus (Corbin 1950). Ammodytidae. Distribution: Northeastern Atlantic. Habitat: marine.