Ichthyosaur

Ichthyosaur, meaning “fish lizards,” were a fascinating group of marine reptiles that thrived during the Mesozoic Era. Emerging in the Early Triassic period, not long after the Permian-Triassic mass extinction, they rapidly evolved to fill newly available marine niches. Their evolutionary journey, which spanned nearly 150 million years, showcases a remarkable case of convergent evolution […]