Species that contain: Hologymnosus and semidiscus [ 1 ] records

semidiscus, Labrus Lacepède [B. G. E.] (ex Commerson) 1801:429, 473, Pl. 6 (fig. 2) [Histoire naturelle des poissons (Lacepède) v. 3; ref. 2710] Grand golfe de l'Inde [Indian Ocean]. Syntypes: MNHN B-2137 (?2, dry) Mauritius, 1987-0943 [ex MNHN B-2137] (1). Type catalog: Bauchot 1963:47, 91 [ref. 19171]. Based on description and illustration in manuscript by Commerson (Philibert Commerson, 1727-1773, French explorer and naturalist). •Valid as Hologymnosus semidiscus (Lacepède 1801) -- (Dor 1984:204 [ref. 29757], Goren & Dor 1994:54 [ref. 25356], Kuiter 2010:331 [ref. 35285]). •Synonym of Hologymnosus annulatus (Lacepède 1801) -- (Randall et al. 1990:323 [ref. 15987], Fricke 1999:420 [ref. 24106], Parenti & Randall 2000:26 [ref. 24943], Westneat 2001:3440 [ref. 26277], Randall 2005:417 [ref. 28239], Golani & Fricke 2018:126 [ref. 36273], Randall & Victor 2022:214 [ref. 39916]). Current status: Synonym of Hologymnosus annulatus (Lacepède 1801). Labridae. Habitat: marine.