semicinctum, Plectropoma Valenciennes [A.] in Cuvier & Valenciennes 1833:442 [Histoire naturelle des poissons v. 9; ref. 1002] Juan Fernández Islands. Holotype (unique): MNHN 0000-7777. Type catalog: Bauchot et al. 1984:21 [ref. 19232], Anderson 2018:16 [ref. 36146]. •Valid as Gilbertia semicincta (Valenciennes 1833) -- (Pequeño 1989:59 [ref. 14125]). •Valid as Plectropoma semicinctum Valenciennes 1833 -- (Anderson & Heemstra 1989:1010 [ref. 13526], Allen & Randall 1990:45 [ref. 15982]). •Valid as Hypoplectrodes semicinctum (Valenciennes 1833) -- (Pequeño & Lamilla 1996:26 [ref. 23035], Pequeño 1997:83 [ref. 23536], Rojas M. & Pequeño 1998:46 [ref. 23540], Rojas M. & Pequeño 1998:182 [ref. 23775], Anderson & Baldwin 2000:380 [ref. 24574], Pequeño & Sáez B. 2000:32 [ref. 24590], Pequeño & Lamilla 2000:434 [ref. 24906], Meléndez C. & Cornejo C. 2001:68 [ref. 26163], Dyer & Westneat 2010:605 [ref. 31446], McCosker & Rosenblatt 2010:191 [ref. 30957], Anderson & Heemstra 2012:31 [ref. 31956], Anderson 2018:16 [ref. 36146], Parenti & Randall 2020:15 [ref. 37354]). Current status: Valid as Hypoplectrodes semicinctum (Valenciennes 1833). Anthiadidae. Distribution: Southeastern Pacific: Juan Fernandez Islands, Desventuradas Islands (Chile); record from Easter Island probably erroneous. Habitat: marine.