semilarvatus, Chaetodon Cuvier [G.] (ex Ehrenberg) in Cuvier & Valenciennes 1831:39 [Histoire naturelle des poissons v. 7; ref. 4881] Massawa, Eritrea, Red Sea; Al-Luhayya, Yemen, Red Sea. Syntypes: MNHN 0000-9772 (1) Red Sea, ZMB 1235 (2) Massawa. Type catalog: Bauchot 1963:129 [ref. 20718] as holotype and paratypes. •Valid as Chaetodon semilarvatus Cuvier 1831 -- (Burgess 1978:554 [ref. 700], Allen 1980:159 [ref. 22764], Dor 1984:176 [ref. 29757], Blum 1989:13 [ref. 37553], Goren & Dor 1994:47 [ref. 25356], Randall 1995:251 [ref. 22896], Smith et al. 2003:303 [ref. 27125], Manilo & Bogorodsky 2003:S112 [ref. 27377], Golani & Fricke 2018:110 [ref. 36273], Zajonz et al. 2019:83 [ref. 36871], Heemstra & Heemstra 2022:461 [ref. 39746]). Current status: Valid as Chaetodon semilarvatus Cuvier 1831. Chaetodontidae: Chaetodontinae. Distribution: Red Sea; northwestern Indian Ocean: Gulf of Aden, Socotra (Yemen), southern Oman. Habitat: marine.