Apareiodon agmatos Taphorn, López-Fernández & Bernard, 2008: 34, fig. 1.

Paratypes: 1 lot, 5 specimens —NUP 5950, 5, 41.6–49.1 mm SL, Guyana, Mazaruni river drainage, sandy beach and embayment on right bank, upstream from village of Jawalla, 5°41’35.4” N, 60°28’11.8” W, H. López-Fernández, D.C. Taphorn, E. Liverpool, K. Kramer, C. Thierens, 18 Apr 2008 .