Paleozoic Vs. Mesozoic: Marine Life Evolution
One difference between the Paleozoic and Mesozoic eras lies in their marine life. During the Paleozoic, trilobites were common while dinosaurs were absent. In contrast, the Mesozoic saw the rise of ammonites as key environmental indicators, coupled with the dominance of marine reptiles like ichthyosaurs, plesiosaurs, and the first dinosaurs. Paleontological Stars: Trilobites and Dinosaurs…