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Morphology

Skin Structures Skeletal Structure Insect Anatomy Skull Structure Fossils Vertebrates Fur Characteristics Body Size Predatory Adaptations Spiny Slugs

Cambrian Fossil With Chelicerae Is Oldest Known Chelicerate

A Nature study pinpoints a mid-Cambrian origin for the group.

Micro‑CT Reveals New Korean Dinosaur Species, Doolysaurus, From Juvenile Skeleton

New Species Crocodylus lucivenator, Likely Predator of 'Lucy,' Described From Ethiopia

New Dinosaur With Hollow Skin Spikes Identified in China

Oldest Reptile Skin Impressions Reveal Earliest Amniote Cloaca

Haolong dongi Fossil Reveals Cellular-Level Skin and Unique Cornified Spikes

Study Finds Rodent Thumbnails Are Widespread and Ancient

310-Million-Year-Old Fossil Reveals Earliest Tongue-Bite in Ray-Finned Fish

Sail-Backed Dinosaur Istiorachis Macarthurae Described from Isle of Wight Fossils

Blue Sharks Reveal Dynamic Nanostructures Enabling Color Change

Landmark Study Chronicles 35-Million-Year Evolution and Extinction of Sloths

113-Million-Year-Old Hell Ant Fossil Identified as Oldest Known Ant

New Research Reveals Megalodon Was Sleek and Could Reach 80 Feet

Fossil of 69-Million-Year-Old Bird Redefines Evolutionary History

New Fossil Discovery Sheds Light on Penguin Wing Evolution

Ancient Spiny Mollusc Fossil Sheds Light on Early Evolution