Amos The iconic arthropods of the Cambrian were the trilobites, which left a huge number of fossils. Trilobites had flattened, segmented, plated bodies that helped to protect them in seas that ...

Timorebestia: Predatory Titans of the Cambrian Seas Recent research has shed light on a remarkable discovery from northern Greenland’s Sirius Passet Lagerstätte, dating to over 518 million ...

As a result, the Cambrian seas were the birthplace of the first mouths, eyes and legs. Some of the odd critters living in these ancient seas included Opabinia, which had five eyes and an elephant ...

This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, forcing them to develop adaptations to handle fluctuations in nutrients. For ...

Y. yuanshi inhabited the Cambrian seas and helped give rise to living arthropods like insects, spiders and crabs. Despite being about the size of a grain of sand, the fossil is exceptionally well ...

Life at the start of the Ordovician remained confined to the seas with new animals evolving in place of those that didn't survive the Cambrian. Chief among them were the squidlike nautiloids ...