Microlepidogaster taimensis Buckup (1981)
Paratypes: 10 lots, 10 specimens; MCN 4835, 34.2 mm SL, MCN 4836, 42.1 mm SL, MCN 4837, 39.8 mm SL, MCN 4838, 36.4 mm SL, MCN 4839, 41.5 mm SL (Fig. 22), MCN 4840, 37.1 mm SL, MCN 4841, 36.3 mm SL, MCN 4842, 39.7 mm SL, MCN 4843, 38.3 mm SL, MCN 4844, 44.8 mm SL, new chanel of arroio Taim, Estação Ecológica do Taim, Rio Grande, Rio Grande do Sul, Brazil, 5 January 1979, P.A. Buckup.
Remarks. Valid species as Hisonotus taimensis (Buckup, 1981) (Schaefer, 2003:323) .