The period of time in which most of the land was divided into two large land masses and in which lizards, several groups of mammals, and flowering plants first appeared was the

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The period of time in which most of the land was divided into two large land masses, known as Pangaea and Gondwana, and in which lizards, several groups of mammals, and flowering plants first appeared was the Triassic period. The Cretaceous period saw the extinction of the dinosaurs, the Permian is known for the Great Dying mass extinction event, the Devonian is known for the diversification of fish and the rise of amphibians, and the Jurassic is known for the dominance of dinosaurs.

The Period of Time in Which Most of the Land