Ankylosaur Evolution Bird Evolution Mesozoic Era Carnivorous Dinosaurs Triassic Period Sauropod Family Tree Small Dinosaurs Ornithopod Evolution Feathered Dinosaurs Sauropod Diversity Eusauropod Radiation Saurópodos Cariamiformes Ankylosaurids Rhabdodontidae Warm-Blooded Dinosaurs Tyrannosauroids Spinosaurus Species Tyrannosaurus rex Birds from Dinosaurs Sauropodomorphs Iguanodontian Lineage Sauropod Evolution Tyrannosaur Evolution Cretaceous Period Cretaceous Dinosaurs Titanosaur Diversity Bird-Dinosaur Connection Spinosaurus Characteristics Size Reduction in Dinosaurs
The Nature paper finds miniaturization preceded the clade’s later ant‑eating adaptations.