53286 Leporinus alternus Eigenmann, 1912 Anostomidae Headstanders Leporininae Characiformes Teleostei South America: coastal rivers of the Guianas and the upper Amazon River basin. AMNH 13356 Leporinus alternus AMNH 17629 Leporinus alternus AMNH 17652 Leporinus alternus AMNH 18730 Leporinus alternus AMNH 17655 1937 Leporinus alternus AMNH 17656 1937 Leporinus alternus AMNH 17662 1937 Leporinus alternus AMNH 217704 1978 Leporinus alternus AMNH 54799 1979 Leporinus alternus AMNH 54932 1979 Leporinus alternus AMNH 54951 1979 Leporinus alternus AMNH 73051 1983 Leporinus alternus