typhlops, Stygichthys Brittan [M. R.] & Böhlke [J. E.] 1965:2, Figs. 1-2 [Notulae Naturae (Philadelphia) No. 380; ref. 647] Well 30 meters deep at Jaíba, northern Juíba karst aquifer, Minas Gerais State, Brazil. Holotype (unique): ANSP 100891. Type catalog: Böhlke 1984:55 [ref. 13621]. •Valid as Stygichthys typhlops Brittan & Böhlke 1965 -- (Romero & Paulson 2001:23 [ref. 26040], Lima in Reis et al. 2003:157 [ref. 27061], Proudlove 2006:56, 282 [ref. 28992], Moreira et al. 2010:1815 [ref. 30836], Moreira 2024:279 [ref. 40817]). Current status: Valid as Stygichthys typhlops Brittan & Böhlke 1965. Acestrorhamphidae: Stygichthyinae. Distribution: South America: upper São Francisco River basin, Minas Gerais State, Brazil. Habitat: freshwater.