Ammonites Ammonites came in a range of shapes and sizes from the truck tyre sized Tropaum imperator to species the size of a ...
Sometime between 5.5 and 5.6 million years ago, two shell crushers squared off in the languid currents of an ancient Florida ...
An international team of scientists unearthed a remarkable diversity of fossil eggshells in Utah's Cedar Mountain Formation, challenging long-held assumptions about the prehistoric ecosystems of ...