lunulatus, Acanthurus Liénard [E.] in Guichenot 1863:C27 [Faune ichthyologique 2nd Partie, Annexe C.; ref. 1943] Bourbon [La Réunion]. No types known. Not available, name only. •In the synonymy of Acanthurus nigricauda Duncker & Mohr 1929 -- (Fricke 1999:538 [ref. 24106] with question, Randall 2022:226 [ref. 40150]). Nomen Nudum. Current status: Synonym of Acanthurus nigricauda Duncker & Mohr 1929. Acanthuridae. Habitat: marine.