newtoni, Julis Osório [B.] 1891:127 [Jornal de Sciências Mathemáticas, Physicas e Naturaes, Lisboa (Ser. 2) v. 2 (no. 6); ref. 14502] São Thomé [Tomé] Island (St. Thomas Island), West Africa. Type lost. •Synonym of Thalassoma pavo (Linnaeus 1758) -- (Gomon & Forsyth 1990:879 [ref. 19219]). • Questionably a synonym of Thalassoma ascensionis (Quoy & Gaimard 1834) -- (Parenti & Randall 2000:44 [ref. 24943]). •Valid as Thalassoma newtoni (Osório 1891) -- (Bernardi et al. 2004:372 [ref. 27454], Costagliola et al. 2003:379 [ref. 27455], Wirtz et al. 2007:14, 37 [ref. 30263], Kuiter 2010:200 [ref. 35285], Parenti & Randall 2011:36 [ref. 31299], Westneat in Carpenter & De Angelis 2016:2743 [ref. 34618], Reiner 2019:244 [ref. 38139], Baptista et al. 2021:[4] [ref. 38204], Fermon et al. 2022:289 [ref. 39448]). Current status: Valid as Thalassoma newtoni (Osório 1891). Labridae. Distribution: Eastern Atlantic: Senegal south to central Angola, including São Tomé and Principe. Habitat: marine.