In fact, traces of past debates about American identity can be found in surprising places: dinosaur museums. Dinosaurs ...

3 min read The Cambrian period, part of the Paleozoic era, produced the most intense ... and a framework for supporting bigger body sizes. Trilobites, like this perfectly preserved specimen ...

More than 22,000 species of trilobite have been named. This is largely because the trilobite exoskeleton was made of a mineral called calcite, which fossilized very easily. However, fossils ...

We study trilobites from four periods of the Palaeozoic: the Cambrian, Ordovician, Silurian and Devonian. Our research covers trilobite taxonomy, phylogeny, functional morphology, biogeography, and ...