Pseudancistrus atratoenesis:

ICNMHN-46, 7 Paratypes (5 Alc, 2 C&S), 42.81–75.50 mm SL, Colombia, Departmento de Antioquiá, Quebrada La Noche, tributary to upper Río Atrato, Rio Sucio, western Colombia, elevation about 550 meters. 10 August 1959.