Diagrams (top) and electron microscope images (bottom) of chiton shells. From left to right: Aesthetes (green) are fount on all chitons, while shell eyes (blue) and eyespots (red) only evolved in a ...

Biologists have often wondered what would happen if they could rewind the tape of life’s history and let evolution play out all over again. Would lineages of organisms evolve in radically different ...

Chitons are locally common in New Zealand, and several studies have suggested that their valves are resistant to dissolution, so it seems contradictory that they are under-represented in the sediment ...