semicinctus, Ophisurus Lay [G. T.] & Bennett [E. T.] 1839:66, Pl. 20 (fig. 4) [The zoology of Captain Beechey's voyage; ref. 2730] Oahu? [Hawaiian Islands, central Pacific]. Holotype (unique): Royal College of Surgeons (whereabouts unknown). Lectotype as the figured specimen in Lay & Bennett, Pl. 20 (fig. 4) designated by Fricke 1999:63 [ref. 24106], but if there was only one type, then the lectotype designation is invalid. •Valid as Leiuranus semicinctus (Lay & Bennett 1839) -- (McCosker 1977:78 [ref. 6836], Asano in Masuda et al. 1984:30 [ref. 6441], McCosker & Castle 1986:180 [ref. 5690], Allen & Swainston 1988:34 [ref. 25477], Paxton et al. 1989:117 [ref. 12442], Winterbottom et al. 1989:12 [ref. 13251], Randall et al. 1990:45 [ref. 15987], Francis 1993:157 [ref. 25479], Allen 1997:56 [ref. 23977], Randall et al. 1997:45 [ref. 25919], Myers 1999:57 [ref. 23965], Fricke 1999:62 [ref. 24106], Smith & McCosker 1999:1668 [ref. 24715], Randall 1999:6 [ref. 25829], Allen 2000:84 [ref. 37268], Nakabo 2000:221 [ref. 25086], McCosker in Randall & Lim 2000:586 [ref. 25122], Laboute & Grandperrin 2000:117 [ref. 25191], Randall & Earle 2000:8 [ref. 25806], Hutchins 2001:17 [ref. 25847], McCosker 2002:26 [ref. 25848], Nakabo 2002:221 [ref. 26001], Allen & Adrim 2003:24 [ref. 26830], Myers & Donaldson 2003:612 [ref. 27495], Randall et al. 2004:6 [ref. 27624], Tang & Zhang 2004:21 [ref. 27889], Heemstra et al. 2004:3316 [ref. 27945], Randall 2005:31 [ref. 28239], Mundy 2005:133 [ref. 28379], McCosker et al. 2006:269 [ref. 29006], Randall 2007:66 [ref. 30952], Fricke et al. 2009:19 [ref. 30213], Motomura et al. 2010:74 [ref. 31256], Zhang et al. 2010:365 [ref. 31511] with second author as 'Bennet', Fricke et al. 2011:352 [ref. 31342], Allen & Erdmann 2012:105 [ref. 31980], Larson et al. 2013:26 [ref. 32988], Fricke et al. 2014:22 [ref. 33932], McCosker 2014:339 [ref. 33288], Delrieu-Trottin et al. 2015:4 [ref. 33988], Ho et al. 2015:168 [ref. 34130], Fricke et al. 2018:44 [ref. 35805], Arndt & Fricke 2019:24 [ref. 36883], McCosker 2022:114 [ref. 39686], Allen & Erdmann 2024:115 [ref. 40796]). Current status: Valid as Leiuranus semicinctus (Lay & Bennett 1839). Ophichthidae: Ophichthinae. Distribution: Indo-West Pacific: Eastern Cape and KwaZulu-Natal (South Africa), East Africa, Aldabra (Seychelles), Seychelles, Comoros, Madagascar and Mascarenes (La Réunion, Mauritius, Rodrigues) east to Hawaiian Islands (U.S.A.) and Pitcairn Group, north to southern Japan, south to Western Australia, Lord Howe Island (Australia) and New Caledonia. Habitat: marine.