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Footprint Analysis Ecology Predatory Dinosaurs Trackways Carnivorous vs Herbivorous Interaction Interactions Movement Patterns Fossilized Footprints Track Patterns Spinosaurus aegyptiacus Social Behavior Migratory Patterns Triceratops Biology Footprints
Researchers identify Ruopodosaurus clava, a three-toed ankylosaurid, marking the first evidence of tail-clubbed ankylosaurs in mid-Cretaceous North America.
