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Dinosaur Anatomy

Body Size Evolution T. rex Comparison Skull Reconstruction Feathered Dinosaurs Neumatized Bones in Dinosaurs Ankylosaur Anatomy Khankhuuluu Characteristics Brain Size Claw Anatomy Theropod Characteristics Skin Preservation Fleshy Profiles

New Four‑Winged Microraptorine Jian changmaensis Described From China’s Changma Basin

A partial shoulder and forelimb suggest a gliding four‑winged predator that extends confirmed microraptorine fossils into northwestern China.

Tiny Argentine Dinosaur Fossil Reshapes Alvarezsaur Evolution and Global Spread

Tiny Spanish Dinosaur Foskeia Pelendonum Formally Described, Recasting Parts of the Ornithischian Family Tree

Wyoming 'Mummy' Fossils Show Duck-Billed Dinosaur Had Hooves, Not Preserved Skin

Khankhuuluu mongoliensis Reveals Tyrannosaur Ancestor of T. Rex