Matilebias Alonso [F.], Terán [G. E.], Alanís [W. S. S.], Calviño [P.], Montes [M. M.], García [I. D.], Barneche [J. A.], Almirón [A.], Ciotek [L.], Giorgis [P.] & Casciotta [J. R.] 2023:9 Masc. Cynolebias alexandri Castello & López 1974. Type by original designation. •Valid as Matilebias Alonso, Terán, Alanís, Calviño, Montes, García, Barneche, Almirón, Ciotek, Giorgis & Casciotta 2023. Current status: Valid as Matilebias Alonso, Terán, Alanís, Calviño, Montes, García, Barneche, Almirón et al. 2023. Rivulidae: Cynolebiinae.