Dernov, V., Korneyev, V. and Grytsenko, V. 2026. Type series of proetid trilobite species (Trilobita, Proetida) from the Silurian of Ukraine described by Leonid Konstantynenko. Zoodiversity. 60, 5 (Aug. 2026). DOI:https://doi.org/10.15407/zoo2026.05.518.