Microglanis carlae Vera Alcaraz, da Graça & Shibatta, 2008: 427, fig. 1.

Paratypes: 2 lots, 5 specimens — All from Paraguay, río Paraguay basin. NUP 5361, 4, 23.9–28.9 mm SL; NUP 5362, 1 c&s, 24.8 mm SL: Paraguay, Mburika, Ñeembucú, arroyo Yacaré, left bank tributary of río Tebicuary, río Paraguay basin, 26°39’S, 58°05’W, J. J. Resquín Centurión & M. del C. Paradeda, 30 Sep 2006 .