Roie, M.V., D’hont, A., Konstantinov, A. & Furth, D. (2023) Types of Cuyabasa Bechyné, Palmaraltica Bechyné and Rhynchasphaera Bechyné (Coleoptera: Chrysomelidae: Galerucinae: Alticini: Oedionychina) of the Naturhistorisches Museum, Basel, with keys to species and descriptions of genitalia, and new combinations for species transferred to the oedionychine genus Walterianella Bechyné. Zootaxa, 5318 (1), 67–82.