semicoeruleus, Julis Rüppell [W. P. E. S.] 1835:10, Pl. 3 (fig. 1) [Neue Wirbelthiere zu der Fauna von Abyssinien gehörig. Fische des Rothen Meeres; ref. 3844] Jeddah, Saudi Arabia, Red Sea. Lectotype: SMF 1148. Paralectotypes: SMF 2708 (1), ?2720 (1), 2741 (1), 20387 (1). •Synonym of Thalassoma purpureum (Forsskål 1775) -- (Dor 1984:209 [ref. 29757] as semicaeruleus, Randall & Edwards 1985:23 [ref. 17448], Randall 1986:705 [ref. 5706], Parenti & Randall 2000:46 [ref. 24943], Randall & Victor 2022:260 [ref. 39916]). Current status: Synonym of Thalassoma purpureum (Forsskål 1775). Labridae. Habitat: marine.