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Anatomy

Teeth Primate Evolution Arthrodires Ear Ear Structure Arthropods Larvae Nervous System Feeding Adaptations Skull Development Flightlessness Cloaca Digits Facial Reconstruction Limb Development Euarthropods Comparative Anatomy

Digital Reconstruction of 1.5-Million-Year-Old Ethiopian Skull Redraws Early Homo Erectus Picture

The Gona cranium pairs an erectus-like braincase with a more primitive face to suggest a more complex emergence.

Digits May Have Evolved by Repurposing Cloacal DNA, Nature Study Finds

Male Ratfish Grow True Forehead Teeth for Mating, Study Finds

Oldest Known Lepidosaur From 242 Million Years Ago Recasts Early Lizard Evolution

Ghost Sharks Grow True Forehead Teeth, Rewriting Rules of Tooth Development

Cambrian Fossil Reveals Spider Brain Structure and Sea Origin for Arachnids