11907 Hemiodus quadrimaculatus Pellegrin, 1909 Hemiodontidae Halftooths Characiformes Teleostei Barred hemiodus South America: Negro, Trombetas, Araguari, Nickerie, Coppename, and Oyapock River basins. AMNH 14299 Hemiodus quadrimaculatus AMNH 214939 Hemiodus quadrimaculatus AMNH 214984 Hemiodopsis quadrimaculatus AMNH 220382 Hemiodus quadrimaculatus AMNH 13418 1935 Hemiodopsis quadrimaculatus AMNH 215103 1935 Hemiodus quadrimaculatus AMNH 43369 1935 Hemiodus quadrimaculatus AMNH 14525 1937 Hemiodus quadrimaculatus AMNH 17622 1937 Hemiodopsis quadrimaculatus AMNH 14335 1938 Hemiodus quadrimaculatus AMNH 54801 1979 Hemiodus quadrimaculatus AMNH 72038 1982 Hemiodopsis quadrimaculata AMNH 72882 1983 Hemiodopsis quadrimaculata AMNH 72890 1983 Hemiodopsis quadrimaculata AMNH 72959 1983 Hemiodopsis quadrimaculata AMNH 73026 1983 Hemiodopsis quadrimaculata AMNH 73046 1983 Hemiodopsis quadrimaculata