title: First record of malformed trilobites from the Silurian of Ukraine
abstract: This article presents the first documented case of malformed trilobite exoskeletons from the Silurian of Ukraine. Fossils of animals with injuries and pathologies are of significant palaeobiological value, as they provide essential insights into the evolution of predator-prey interactions, trophic networks, animal behavior, and genetic anomalies. The material under study consists of two pygidia of Bumastus restevensis from the Rykhta Formation (Ludlow, Upper Silurian) in Khmelnytskyi Oblast (wes
journal: Reports of the National Academy of Sciences of Ukraine