caeruleacauda, Naso Randall [J. E.] 1994:122, Fig. 3; Pls. 1C, 2A [Copeia 1994 (no. 1); ref. 21648] Dumaguete, Negros, Philippines. Holotype: CAS-SU 13663. Paratypes: BPBM 35379 [ex CAS-SU 13663] (1). •Valid as Naso caeruleacauda Randall 1994 -- (Randall et al. 1997:538 [ref. 25919], Borden 1998:105 [ref. 23309], Kuiter & Debelius 2001:126 [ref. 26232] as caeruleacaudus, Randall 2001:173 [ref. 25459], Randall 2001:3665 [ref. 26301], Allen & Adrim 2003:63 [ref. 26830] as caeruleocauda, Allen et al. 2006:1740 [ref. 29094], Ho et al. 2011:210 [ref. 31484], Allen & Erdmann 2012:1030 [ref. 31980], Fricke et al. 2019:304 [ref. 36673]). Current status: Valid as Naso caeruleacauda Randall 1994. Acanthuridae. Distribution: Western Pacific: Indonesia east to New Ireland (Papua New Guinea), north to Philippines, south to northern Australia. Habitat: marine.