Pimelodella serrata:

Amazon River basin: Bolivia: San Joaquin: FMNH 57979, holotype (photographs & radiographs), 55.6 mm SL, 5 Sep, 1909, J. D. Haseman . Colombia: Amazonas: Leticia: ICN-MHN 4475, 5 (70.0– 85.2 mm SL), 1 c&s (70.0 mm SL), laguna Yahuarcaca, 04°11’24.1”S 69°57’28.3”W, 5 Jul 1999, M. Santos & S. Vejarano. ICN-MHN 6600, 1 (101.9 mm SL), río Amazonas, 31 Oct 2002, J. I. Mojica. ICN-MHN 7076, 2 (85.4–90.7 mm SL), quebrada La Arenosa, río Amazonas, 04°07’24.0”S 69°57’05.0”W, G. Galvis. ICN-MHN 7417, 2 (88.5–96.4 mm SL), laguna Yahuarcaca, 04°11’24.1”S 69°57’28.3”W, 12 Oct 1999. ICN-MHN 15052, 2 (101.2–109.8 mm SL), laguna Yahuarcaca, 04°11’24.1”S 69°57’28.3”W, 9 Jul 1999.