Dernov, Vitaly. “Late Bashkirian (Early Pennsylvanian) Horseshoe Crabs (Chelicerata: Xiphosura) from the Mospyne Formation, Donets Basin, Ukraine”. Geologos 32 (August 27, 2026). Accessed November 6, 2026. https://pressto.amu.edu.pl/index.php/logos/article/view/56419.