The fossil expert found love at first sight with trilobites.

However, in the Ordovician, the creatures were invertebrates, or organisms lacking a backbone, such as brachiopods, trilobites, and corals. These organisms were perfectly suited to survive in the warm ...

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 ...

Abrupt climate change at the end of the Ordovician Period (~450-440 million years ago) caused the second largest mass extinction in Earth history, including the demise of the trilobite ...

Back when the Earth was crawling with trilobites and other strange shelled ... This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling ...