Bocalini, F., & Silveira, L. F. (2016).

A taxonomic revision of the Musician Wren, Cyphorhinus arada (Aves, Troglodytidae), reveals the existence of six valid species endemic to the Amazon basin

. Zootaxa, 4193(3), 541–564. https://doi.org/10.11646/zootaxa.4193.3.5