glaucopterus, Cynolebias Costa [W. J. E. M.] & Lacerda [M. T. C.] 1988:16 [Revista Aquariofilia v. 5; ref. 19792] Temporary pool near Rio Paraguai, Município de Cáceres, Mato Grosso, Brazil. Holotype: MZUSP 38533. Paratypes: MNRJ, MZUSP. Also described as new in Costa & Lacerda 1989 [ref. 19793]. •Valid as Plesiolebias glaucopterus (Costa & Lacerda 1988) -- (Costa 1991:375 [ref. 13611], Costa 1995:28 [ref. 22097], Costa 1998:322 [ref. 23324], Costa 1998:81 [ref. 23792], Britski et al. 1999:139 [ref. 24147], Costa & Le Bail 1999:1028 [ref. 24187], Lazara 2001:257 [ref. 25711], Costa in Reis et al. 2003:533 [ref. 27061]). Current status: Valid as Plesiolebias glaucopterus (Costa & Lacerda 1988). Rivulidae: Rivulinae. Distribution: South America: Paraguay River basin, Mato Grosso, Brazil. Habitat: freshwater.