Some of the holey shells became fossilized, and now tell us the story of the earliest known battle between predator and prey that influenced both species' evolution. "This critically important ...

Examples of Lapworthella fasciculata shells (under scanning electron microscope) from the Mernmerna Formation, Flinders Ranges, South Australia, showing holes made by a perforating predator.

Researchers have uncovered the oldest known example of an evolutionary arms race in the fossil record, dating back 517 million years. These ancient predator-prey interactions took place in the ...

Examples of Lapworthella fasciculata shells (under scanning electron microscope) from the Mernmerna Formation, Flinders Ranges, South Australia, showing holes made by a perforating predator.