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Pteroglossus bitorquatus Vigors, 1826
- Type locality: No locality; assumed northeastern Brazil.
- Vigors, N.A. 1826. Sketches in ornithology; or, observations on the leading affinities of some of the more extensive groups of birds. On the arrangements of the genera of Birds. On some species of the Ramphastidae. The Zoological Journal 2: 466–483. BHL Reference page. Original description p. 481 BHL Suppl. pl. 17