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Animal Evolution

Mollusc Evolution Domestication Butterflies Genetic Analysis Mandibulates Bats Early Animals Ecdysozoans Hooved Reptiles Iguanas Amphibian Evolution Bioluminescence Radiodonts Cambrian Explosion Size Changes Morphological Changes Early Marine Life Sponges Pronghorn Evolution Skeletons and Shells Saber Tooth Evolution Plant-Eating Animals Leech Evolution

307-Million-Year-Old Skull Pushes Back the Origin of Plant-Eating on Land

Micro-CT scans reveal opposing tooth batteries built to grind tough vegetation.

Rare C31 Chemical Fossils Strengthen Case That Sponges Were Among Earth’s First Animals

First Soft-Bodied Cambrian Fossils Found in Grand Canyon Reveal Evolutionary ‘Goldilocks Zone’