Rineloricaria maacki Ingenito, Ghazzi, Duboc & Abilhoa, 2008: 357, fig. 1a–c.

Paratypes: 2 lots, 4 specimens —NUP 2540, 3 (1 (m) 133.5 mm SL, 1 (f) 123.4 mm SL, 1 c&s (f) 110.8 mm SL): Brazil, Paraná, Cruz Machado / Bituruna, Foz do Areia reservoir, rio Iguaçu, approx. 26°00’S, 51°37’W, Nupélia staff, 26 Oct 1998 ; NUP 3059, 1 (m), 136.2 mm SL: same locality and collectors as previous, 6 Oct 1999 .