Definition that contains mesozoic era
- dinosaur any of numerous extinct terrestrial reptiles of the Mesozoic era
- jurassic of or relating to or denoting the second period of the Mesozoic era
- cretaceous of or relating to or denoting the third period of the Mesozoic era
- triassic of or relating to or denoting the first period of the Mesozoic era
- mesozoic of or relating to or denoting the Mesozoic era
- cordaitales extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era
- order cordaitales extinct plants having tall arborescent trunks comparable to or more advanced than cycads; known from the Pennsylvanian period; probably extinct since the Mesozoic era