A new species of Gelanoglanis from the Orinoco and Amazon river basins, with comments on miniaturization within the genus (Siluriformes: Auchenipteridae: Centromochlinae) - Soares-Porto, Luisa; Walsh, Stephen; Nico, Leo; Netto, Joaquim (Ichthyological Exploration of Freshwaters, 1999)