10768 Abramites hypselonotus (Günther, 1868) Anostomidae Headstanders Characiformes Teleostei Marbled headstander South America: Orinoco, Amazon, Paraguay, and lower Paraná River basins. GCRL 5235 1954 Abramites hypselonotus AMNH 77389 1965 Abramites hypselonotus AMNH 77534 1965 Abramites hypselonotus AMNH 77597 1965 Abramites hypselonotus AMNH 35689 1973 Abramites hypselonotus AMNH 35690 1973 Abramites hypselonotus AMNH 217665 1979 Abramites hypselonotus GCRL 29758 1999 Abramites hypselonotus