Lopes, L.E. & Gonzaga, L.P. (2016)

Melanopareia bitorquata (d’Orbigny & Lafresnaye, 1837) is a distinct species: an appraisal of morphological variation in the Collared Crescentchest Melanopareia torquata (zu Wied-Neuwied, 1831) (Aves: Melanopareiidae)

. Zootaxa, 4193 (1), 138–150.