penrosei, Halichoeres Starks [E. C.] 1913:59, Pl. 7 [Leland Stanford Jr. University Publications, University Series; ref. 4197] Tide pool at Natal, Brazil. Holotype (unique): CAS-SU 22211. Type catalog: Böhlke 1953:85 [ref. 12291]. •Synonym of Halichoeres maculipinna (Müller & Troschel 1848) -- (Parenti & Randall 2000:21 [ref. 24943]). •Valid as 'Iridio' penrosei (Starks 1913) -- (Kuiter 2010:212 [ref. 35285]). •Valid as Halichoeres penrosei Starks 1913 -- (Rocha 2004:778 [ref. 27980], Luiz et al. 2009:37 [ref. 30311], Rocha et al. 2010:28 [ref. 30767], Parenti & Randall 2011:34 [ref. 31299], Pinheiro et al. 2015:25 [ref. 34324], Wainwright et al. 2017:37 [ref. 35725], Carvalho-Filho et al. in Marceniuk et al. 2021:463 [ref. 38945]São Paulo). Current status: Valid as Halichoeres penrosei Starks 1913. Labridae. Distribution: Southwestern Atlantic: Maranhão south to São Paulo (Brazil), including Trindade Island. IUCN (2010): Least Concern. Habitat: marine.