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- Scytalopus gonzagai
This is a monotypic species.
Recently recognized as species by South American Classification Committee.
- Gill, F and D Donsker (Eds). 2015. IOC World Bird Names (version 5.3). Available at http://www.worldbirdnames.org/.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015, with updates to August 2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Van Remsen, 2014. Proposal (643) to South American Classification Committee: Recognize Scytalopus gonzagai as a valid species. 
- Birdforum thread discussing the taxonomy of eastern Tapaculos including Mouse-colored, Rock, and other likely splits of this species