race

Biology

Fossil research reveals the oldest evolutionary ‘arms race’

An example of a shell of Lapworthella fasciculata from the Mernmerna Formation in the Flinders Ranges, South Australia (under scanning electron microscopy). A hole made by a boring predator is shown. Scale bar represents 200 micrometers. Credit: R. Bicknell, et al. (2025) Current Biology A study led by researchers at the American Museum of Natural History provides the oldest known…