opalescens, Platyberyx Zugmayer [E.] 1911:8, Fig. [Bulletin de l'Institut Océanographique (Monaco) No. 193; ref. 6161] Off Portugal, 36°06'N, 9°W, station 3039, depth 0-3660 meters. Holotype (unique): MOM 0091-1179. Type catalog: Belloc 1949:12 [ref. 21544]. Neotype established as ZIN 54871, but type was not lost. Species illustrated and described in more detail in Zugmayer 1911:101, Pl. 5 (fig. 5) [ref. 4846]. •Valid as Caristius opalescens (Zugmayer 1911) -- (Nielsen 1973:339 [ref. 6885], Post 1990:765 [ref. 17242], Okamura & Miyahara in Okamura et al. 1995:186 [ref. 22531], Brickle & Laptikhovsky 2002:493 [ref. 26485], Trunov et al. 2006:466 [ref. 28740]). •Valid as Platyberyx opalescens Zugmayer 1911 -- (Post in Whitehead et al. 1986:748 [ref. 13676], Santos et al. 1997:89 [ref. 23531], Arruda 1997:75 [ref. 24952], Porteiro et al. 1999:42 [ref. 24203], Paxton 2001:2837 [ref. 26097] as cf. opalescens, Tweddle & Anderson 2008:11 [ref. 29604], Møller et al. 2010:58 [ref. 31169], Britz & Hartel 2012:85 [ref. 32303], Stevenson & Kenaley 2013:421 [ref. 32920], Kukuev et al. 2013:543 [ref. 32928], Stevenson et al. in Carpenter & De Angelis 2016:2525 [ref. 34618], Carneiro et al. 2019:260 [ref. 37250], Sutton et al. 2020:282 [ref. 37832], Bañón et al. 2021:7 [ref. 40417], Fermon et al. 2022:214 [ref. 39448]). Current status: Valid as Platyberyx opalescens Zugmayer 1911. Caristiidae. Distribution: North Atlantic: Greenland; eastern Atlantic: including Azores and Madeira. Habitat: marine.