rubiginosus, Sicyases Poey [F.] 1868:391 [Repertorio Fisico-Natural de la Isla de Cuba v. 2; ref. 3505] Cuba. Syntypes: MCZ 12923 (1). Type catalog: Howell Rivero 1938:219 [ref. 22926] with a holotype. •Valid as Acyrtus rubiginosus (Poey 1868) -- (Briggs 1955:127 [ref. 637], Johnson & Greenfield 1983:39 [ref. 28991], Collette et al. 2003:101 [ref. 26784], McEachran 2003:1774 [ref. 27089], Sampaio et al. 2004:206 [ref. 27998], Nelson et al. 2004:167 [ref. 27807], Page et al. 2013:172 [ref. 32708], Conway et al. 2014:4 [ref. 33313], Smith-Vaniz & Jelks 2014:73 [ref. 33341], Escobar-Sierra et al. 2021:76 [ref. 38844], Tavera et al. 2021:7 [ref. 38564], Page et al. 2023:151 [ref. 40505]). Current status: Valid as Acyrtus rubiginosus (Poey 1868). Gobiesocidae: Gobiesocinae. Distribution: Western Atlantic. Habitat: marine.