radians, Scarus Valenciennes [A.] in Cuvier & Valenciennes 1840:206 [Histoire naturelle des poissons v. 14; ref. 4882] Brazil; Mexico. Syntypes: ?MNHN 0000-1759 (1) Brazil, 0000-1762 (1, poor condition). Type catalog: Bauchot & Guibé 1960:297 [ref. 20736]. •Questionably valid as Scarus radians (Valenciennes 1840) -- (Afonso et al. 1999:86 [ref. 25466]). •Valid as Sparisoma radians (Valenciennes 1840) -- (Robins & Ray 1986:210 [ref. 23100], Boschung 1992:157 [ref. 23239], Cervigón 1992:396 [ref. 23827], Bellwood 1994:65 [ref. 19116], Cervigón 1994:51 [ref. 24488], Aguilera 1998:52 [ref. 24221], Smith-Vaniz et al. 1999:302 [ref. 25013], Parenti & Randall 2000:61 [ref. 24943], Schmitter-Soto et al. 2000:164 [ref. 27754], Moura et al. 2001:519 [ref. 25371], Rocha & Rosa 2001:991 [ref. 25909], Collette et al. 2003:116 [ref. 26784], Westneat 2003:1737 [ref. 27105], Moura & Menezes in Menezes et al. 2003:93 [ref. 27192], Smith et al. 2003:46 [ref. 27621], Nelson et al. 2004:157 [ref. 27807], McEachran & Fechhelm 2005:542 [ref. 28815], Robertson et al. 2006:796 [ref. 31512], Pinheiro et al. 2010:64 [ref. 30844], Smith-Vaniz & Jelks 2014:65 [ref. 33341], Pinheiro et al. 2015:26 [ref. 34324], Robertson et al. 2016:147 [ref. 34961], Costa et al. 2017:45 [ref. 35684], Spier et al. 2018:17 [ref. 36103], Robertson et al. 2020:157 [ref. 38098], Carvalho-Filho et al. in Marceniuk et al. 2021:478 [ref. 38945], Escobar-Sierra et al. 2021:82 [ref. 38844], Carvalho-Filho 2023:216 [ref. 40480]). Current status: Valid as Sparisoma radians (Valenciennes 1840). Labridae. Distribution: Western Atlantic: Bermuda and Florida (U.S.A.) south to Santa Catarina (Brazil), including Gulf of Mexico and Caribbean Sea. Habitat: marine.