Exploring the Mysteries of Reptile Evolution
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The Ancient Origins and Remarkable Adaptations of Reptiles
Informational Resources
Venomous Reptiles and Evolutionary Arms Races
Venomous reptiles and their prey can exert reciprocal selection on toxins, resistance and behaviour. Evidence varies among species and populations.
More Conservation InfoThe Reptile-Mammal Evolutionary Split
Mammals and reptiles trace back to separate synapsid and sauropsid branches of early amniotes. Fossils show how each lineage changed...
More Conservation InfoLizard Adaptive Radiations
Anolis lizards repeatedly evolved different body forms as populations adapted to varied habitats. These radiations are useful tests of evolutionary...
More Conservation InfoTurtle Shell Evolution: Fossils and Embryology
Turtle shells are integrated with the ribs and vertebrae rather than worn as external armour. Fossils and embryology show that...
More Conservation InfoCrocodilian Evolution: Resilience, Diversity and Limits
Crocodilian lineages have a long fossil history, but living species remain limited by temperature, habitat, prey and human pressures.
More Conservation InfoSnake Diversification and Adaptation
Snakes diversified into aquatic, burrowing, arboreal and terrestrial forms. Their skulls, senses and movement patterns vary with habitat and prey.
More Conservation InfoHow Birds Evolved from Theropod Dinosaurs
Modern birds are a surviving lineage of theropod dinosaurs. Fossils record the gradual appearance of feathers, specialised wrists, lighter skeletons...
More Conservation InfoReptile Evolution: A Deep-Time Family Tree
Reptile evolution spans several branches of the amniote family tree. Fossils and genetic evidence help reconstruct the history of living...
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