maculiceps, Hepatus Ahl [E.] 1924:36, Fig. 4 [Mitteilungen aus dem Zoologischen Museum in Berlin v. 11 (no. 1); ref. 19931] Talassia, New Pomerania [Kikiwiei/Comet Harbour, New Britain, Papua New Guinea, Bismarck Sea, western Pacific, ca. 5°32'S, 149°43'E]. Holotype (unique): ZMB 20366. Types mentioned: Paepke 1995:96 [ref. 21847]. •Valid as Acanthurus maculiceps (Ahl 1924) -- (Randall 1956:209 [ref. 12221], Kishimoto in Masuda et al. 1984:232 [ref. 6441], Allen 1997:228 [ref. 23977], Randall et al. 1997:538 [ref. 25919], Anderson et al. 1998:28 [ref. 23611], Myers 1999:270 [ref. 23965], Allen 2000:93 [ref. 37268], Randall in Randall & Lim 2000:642 [ref. 25122], Nakabo 2000:1329 [ref. 25182], Kuiter & Debelius 2001:55 [ref. 26232], Randall 2001:3664 [ref. 26301], Nakabo 2002:1329 [ref. 26193], Allen & Adrim 2003:62 [ref. 26830], Myers & Donaldson 2003:647 [ref. 27495], Randall 2005:578 [ref. 28239], Mundy 2005:488 [ref. 28379], Allen et al. 2006:1735 [ref. 29094], Randall 2007:423 [ref. 30952], Motomura et al. 2010:226 [ref. 31256], Allen & Erdmann 2012:1022 [ref. 31980], Fricke et al. 2014:182 [ref. 33932], Fricke et al. 2015:10 [ref. 33930], Koeda et al. 2016:100 [ref. 35333], Carpenter et al. 2017:42 [ref. 35143], Fricke et al. 2019:300 [ref. 36673], Moore et al. 2020:110 [ref. 37357], Wada et al. 2021:50 [ref. 38521], Randall 2022:226 [ref. 40150]). Current status: Valid as Acanthurus maculiceps (Ahl 1924). Acanthuridae. Distribution: Indo-West Pacific: Maldives east to Marshall Islands and Line Islands (Kiribati), north to Amami Islands (southern Japan), south to Kimberley (Western Australia), Queensland (Australia), Solomon Islands and Samoa; waifs reaching Hawaiian Islands (U.S.A.). Habitat: marine.