The trilobites' digestive tract was also preserved after it filled with ash. Even small "lamp shells" attached to the ...

The pyroclastic flow even preserved tiny brachiopods – small creatures resembling clams, which clung to the shells of ...

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 ...