triangularis, Chaetodon Rüppell [W. P. E. S.] 1829:42, Pl. 9 (fig. 3) [Atlas zu der Reise im nördlichen Africa. Fische des Rothen Meeres; ref. 3843] El-Tor, Sinai coast, Egypt, Gulf of Suez, Red Sea. Holotype: SMF 1642. •Synonym of Megaprotodon trifascialis (Quoy & Gaimard 1825) -- (Dor 1984:177 [ref. 29757]). •Synonym of Chaetodon trifascialis Quoy & Gaimard 1825 -- (Burgess 1978:418 [ref. 700], Golani & Fricke 2018:110 [ref. 36273]). Current status: Synonym of Chaetodon trifascialis Quoy & Gaimard 1825. Chaetodontidae: Chaetodontinae. Habitat: marine.