- The Mass Extinction That Opened the Door to the Age of Fishes
Evolutionary history is often presented as a succession of inventions, each permitting some new taxa to exceed the survival rates of their fellows. For example, fins first permitted swimming, then were adapted to sturdier limbs that enabled animals to walk on land. Jaws are often posited as transforming passive or weak feeders into highly efficient… Read more: The Mass Extinction That Opened the Door to the Age of Fishes
