The state of Wyoming is home to some of the best and most diverse fossil specimens on the planet. Due to their high quality and scientific value, fossils from Wyoming have been relocated to museums ...

Ammonite fossils have been found across the globe ... fish mosaic triptych from the Green River Formation Lagerstätte, ...

Based on the fossil record, ammonites came in a wide range of sizes and shapes, from smaller than an inch to as large as nine feet wide. Some ammonites had long, straight shells, while others had ...

Nine-year-old Eli spotted a 200-million-year-old fossil in a rocky cliff face A nine-year-old fossil hunter had the find of his life when he stumbled on a 200-million-year-old ammonite. Eli was ...

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record Chihiro Kai The arid valleys of Wyoming’s Cloverly Formation ...

Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of ...