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Patterns of biomechanical morphospace occupation for herbivorous nonavian dinosaurs through the Mesozoic (20 Myr time bins), based on PCo1 and PCo3 (accounting for 23.9% of variation). Sauropodomorphs overlap very little with contemporaneous taxa before the latest Cretaceous (85–65 Ma). Albian–Maastrichtian marginocephalians and thyreophorans occupy similar regions of biomechanical morphospace (105–65 Ma).
