amblycephalus, Julis (Julis) Bleeker [P.] 1856:83 [Natuurkundig Tijdschrift voor Nederlandsch Indië v. 11 (no. 1); ref. 16856] Ora Malang, southeastern Java, Indonesia. Syntypes: (2), whereabouts unknown. Neotype designation by Fricke 1999:434 [ref. 24106] is invalid; see Fricke 2000:639 [ref. 24537]. Combined with a neuter genus, the adjective should be amblycephalum. •Valid as Thalassoma amblycephalus (Bleeker 1856) -- (Allen 1995:76 [ref. 21960], Allen 2000:91 [ref. 37268], Fricke et al. 2024:77 [ref. 41255]). •Valid as Thalassoma amblycephalum (Bleeker 1856) -- (Araga in Masuda et al. 1984:205 [ref. 6441], Randall 1986:704 [ref. 5706], Allen & Swainston 1988:120 [ref. 25477], Paulin et al. 1989:207 [ref. 24556], Winterbottom et al. 1989:56 [ref. 13251], Randall et al. 1990:336 [ref. 15987], Kuiter 1993:287 [ref. 23929], Francis 1993:165 [ref. 25479], Allen 1997:194 [ref. 23977], Kuiter 1997:302 [ref. 25488], Randall et al. 1997:336 [ref. 25919], Myers 1999:201 [ref. 23965], Fricke 1999:433 [ref. 24106], Johnson 1999:745 [ref. 25471], Parenti & Randall 2000:44 [ref. 24943], Westneat in Randall & Lim 2000:629 [ref. 25122], Nakabo 2000:989 [ref. 25182], Laboute & Grandperrin 2000:369 [ref. 25191], Randall & Earle 2000:17 [ref. 25806], Allen 2000:114 [ref. 25868], Hutchins 2001:269 [ref. 25841], Hutchins 2001:39 [ref. 25847], Westneat 2001:3461 [ref. 26277], Nakabo 2002:989 [ref. 26193], Allen & Adrim 2003:51 [ref. 26830], Manilo & Bogorodsky 2003:S115 [ref. 27377], Bernardi et al. 2004:371 [ref. 27454], Myers & Donaldson 2003:636 [ref. 27495], Randall et al. 2004:23 [ref. 27624], Heemstra et al. 2004:3326 [ref. 27945], Heemstra & Heemstra 2004:353 [ref. 28072], Randall 2005:438 [ref. 28239], Mundy 2005:446 [ref. 28379], Randall & Bartsch 2004:124 [ref. 28671], Allen et al. 2006:1413 [ref. 29095], Fricke et al. 2009:89 [ref. 30213], Motomura et al. 2010:174 [ref. 31256], Kuiter 2010:198 [ref. 35285], Allen & Erdmann 2012:720 [ref. 31980], Fricke et al. 2013:267 [ref. 32706], Fricke et al. 2014:138 [ref. 33932], Delrieu-Trottin et al. 2015:7 [ref. 33988], Duffy & Ahyong 2015:116 [ref. 36167], Koeda et al. 2016:78 [ref. 35333], Fricke et al. 2018:293 [ref. 35805], Arndt & Fricke 2019:19 [ref. 36883], Fricke et al. 2019:238 [ref. 36673], Zajonz et al. 2019:90 [ref. 36871], Rajan et al. 2021:9 [ref. 39508], Dewa et al. 2022:24 [ref. 40001], Fujiwara et al. 2022:91 [ref. 39094], Ji & Kim 2022:226 [ref. 39899], Randall & Victor 2022:256 [ref. 39916]). Current status: Valid as Thalassoma amblycephalum (Bleeker 1856). Labridae. Distribution: Indo-West Pacific: Eastern Cape and KwaZulu-Natal (South Africa), East Africa, Socotra (Yemen), Seychelles, Comoros, Madagascar and Mascarenes (La Réunion, Mauritius, Rodrgues) east to Line Islands (Kiribati), Marquesas Islands and Tuamotu Archipelago (French Polynesia), north to southern Korea, Kagoshima Prefecture (southern Japan) and Ogasawara Islands (Japan), south to Australia, Lord Howe Island (Australia), northern New Zealand, Kermadec Islands and Tonga. Habitat: marine.