Ichthyosaurs were the last giant reptiles to rule our oceans.
Articles on Fossil bone histology
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By examining fossilized bone tissue, a new study finds rapid growth was an asset for survivors of the Great Dying 250 million years ago, Earth’s largest mass extinction event.
Some of these giant vegetarians were as tall as a 3-story building. Microscopic analysis of their teeth, bones and eggshells reveals how they grew, what they ate and even their body temperature.
