van Roie, M., Clark, S., Konstantinov, A., Furth, D. & Linzmeier, A.M. (2023)

A paradox indeed: description of genitalia and clarification of the subtribal classification of Pachyonychis paradoxus Clark and Pachyonychus paradoxus Melsheimer (Coleoptera: Chrysomelidae: Galerucinae: Alticini)

. Zootaxa, 5227 (1), 127–136.