which clung to the shells of trilobites in an epibiotic relationship. These brachiopods were found relaxed, suggesting that both species perished together, either buried alive or shortly after death.

The most familiar and abundant species of trilobites in North America may have followed an exotic survival strategy. Elrathia kingii, found in Middle Cambrian formations in Utah, lived exclusively in ...

The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today ... for supporting bigger body sizes. Trilobites, like this perfectly preserved ...

The fossil expert found love at first sight with trilobites.

which clung to the shells of trilobites in an epibiotic relationship. These brachiopods appear relaxed, suggesting that both ...

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 ...

In this activity, your class will use images of trilobite fossils to explore how fossils preserve information about ancient life. They will sort the fossils into orders (closely related groups) by ...