meionactis, Cynodon Géry [J.], Le Bail [P.-Y.] & Keith [P.] 1999:70, Fig. 1 [Revue française d'Aquariologie Herpétologie v. 25 (no. 3/4) [for 1998]; ref. 24114] Antecume Pata, Upper Maroni above Maripasoula, French Guiana. Holotype: MNHN 1998-0397. Paratypes: MHNG 2594-14 (1), MNHN 1998-0398 (1), 1998-0400 (1), 1998-0401 (1). •Valid as Cynodon meionactis Géry, Le Bail & Keith 1999 -- (Toledo-Piza 2000:57 [ref. 24268], Keith et al. 2000:13 [ref. 24547], Toledo-Piza in Reis et al. 2003:234 [ref. 27061], Toledo-Piza 2024:331 [ref. 40817]). Current status: Valid as Cynodon meionactis Géry, Le Bail & Keith 1999. Cynodontidae. Distribution: South America: coastal rivers in French Guiana and Suriname. Habitat: freshwater.