enigmaticus, Barbulifer Joyeux [J.-C.], Van Tassell [J. L.] & Macieira [R. M.] 2009:59, Figs. 1-3 [Zootaxa No. 2022; ref. 30108] Tidepool, Praia dos Castelhanos, Anchieta, 20050'02.0"S, 40°37'16.0"W, Espirito Santo, Brazil. Holotype: CI-UFES 0239. Paratypes: many at AMNH, CI-UFES, MZUFBA, MZUSP, UF, UFPB, ZUEC. Plus additional non-type material on p. 66. •Valid as Barbulifer enigmaticus Joyeux, Van Tassell & Macieira 2009 -- (Van Tassell 2011:151 [ref. 31732], Carvalho-Filho in Marceniuk et al. 2021:232 [ref. 38945], Carvalho-Filho 2023:240 [ref. 40480]). Current status: Valid as Barbulifer enigmaticus Joyeux, Van Tassell & Macieira 2009. Gobiidae: Gobiinae. Distribution: Western Atlantic: Espírito Santo to São Paulo (Brazil) endemic. Habitat: marine.