In accord with AOS-SACC (Proposal 915), remove Caatinga Antwren from the genus Herpsilochmus and recognize the genus Radinopsyche Whitney, Bravo, BelmonteLopes, Bornschein, Pie, and Brumfield 2021, based on genetic data that this species is not a member of the genus Herpsilochmus (Harvey et al. 2020, Bravo et al. 2021).