49091 Rineloricaria microlepidogaster (Regan, 1904) Loricariidae Armored catfishes Loricariinae Siluriformes Teleostei South America: Laguna dos Patos basin (Ref. 36389). Reported from the Paraná basin in Argentina (Ref. 56308). AMNH 8582 Rineloricaria microlepidogaster