2318 Heterobranchus bidorsalis Geoffroy Saint-Hilaire, 1809 Clariidae Airbreathing catfishes Siluriformes Teleostei African catfish Africa: Nile (Ref. 3820), Senegal, Gambia, Volta, Niger, Benue rivers and Lake Chad (Ref. 57129). P 94090.0004 13 N 2 E Heterobranchus bidorsalis P 94090.0003 13 N 2 E Heterobranchus bidorsalis P 94090.0002 13 N 2 E Heterobranchus bidorsalis P 94090.0001 13 N 2 E Heterobranchus bidorsalis P 91100.003091100.0031 5 N 6 E Heterobranchus bidorsalis P 89001.0106 13 N 13 W Heterobranchus bidorsalis P 88023.0306 13 N 2 E Heterobranchus bidorsalis P 88023.0289 13 N 2 E Heterobranchus bidorsalis P 80056.0031 13 N 12 W Heterobranchus bidorsalis P 77043.007677043.0079 16 N 15 W Heterobranchus bidorsalis AMNH 228524 1989 Heterobranchus bidorsalis AMNH 215413 1994 Heterobranchus bidorsalis