Cerathyla proboscidea Jiménez de la Espada, 1870 Ceratohyla cristata Andersson, 1945 Hemiphractus proboscideus, or the Sumaco horned treefrog, is a species of frog in the family Hemiphractidae.

It is found in the upper Amazon basin in extreme southwestern Colombia (Amazonas and Caquetá Departments), Ecuador, and northern Peru.

Snout is elongated to a proboscis, and there is a large conical and several small tubercles on the eyes.

At night, the body is yellowish with brown diagonal or transverse bars and with crossbars in the extremities; the belly is grayish-cream to white.

[4] Its natural habitats are moist tropical forest at elevations of 100–1,200 m (330–3,940 ft) asl.