Figure 63 in Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies

Figure 63. Map of central and northern South America showing geographical distribution of Sternarchorhynchus oxyrhynchus (1 – Essequibo River, reported type locality of species, but see Remarks in species account concerning possible erroneous locality information), and Sternarchorhynchus retzeri sp. nov. (2 = holotype locality) (some symbols represent more than one locality and/or lot of specimens).