A one-of-a-kind trilobite fossil hints at what and how these creatures ate

3-D scan reveals the consumed remains of shells, sea urchin–like creatures and other bottom-dwellers

An image of a 3-D scan of a fossilized trilobite with shell fragments, bits of sea urchin-like creatures and other bottom-dwellers represented in shades of red and blue.

A high-resolution 3-D scan of a fossilized trilobite reveals what the ancient marine arthropod ate before it died: shell fragments, bits of sea urchin–like creatures and other bottom-dwellers (represented in shades of red and blue).

P.Kraft et al/Nature 2023

A mysterious, prehistoric marine creature has spilled its guts.